219781100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 288

約数和(自身を含む): 665957376

約数和(自身を除く): 446176276

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 23, 25, 28, 34, 35, 44, 46, 50, 55, 68, 70, 73, 77, 85, 92, 100, 110, 115, 119, 140, 146, 154, 161, 170, 175, 187, 220, 230, 238, 253, 275, 292, 308, 322, 340, 350, 365, 374, 385, 391, 425, 460, 476, 506, 511, 550, 575, 595, 644, 700, 730, 748, 770, 782, 803, 805, 850, 935, 1012, 1022, 1100, 1150, 1190, 1241, 1265, 1309, 1460, 1540, 1564, 1606, 1610, 1679, 1700, 1771, 1825, 1870, 1925, 1955, 2044, 2300, 2380, 2482, 2530, 2555, 2618, 2737, 2975, 3212, 3220, 3358, 3542, 3650, 3740, 3850, 3910, 4015, 4025, 4301, 4675, 4964, 5060, 5110, 5236, 5474, 5621, 5950, 6205, 6325, 6545, 6716, 7084, 7300, 7700, 7820, 8030, 8050, 8395, 8602, 8687, 8855, 9350, 9775, 10220, 10948, 11242, 11753, 11900, 12410, 12650, 12775, 13090, 13651, 13685, 16060, 16100, 16790, 17204, 17374, 17710, 18469, 18700, 19550, 20075, 21505, 22484, 23506, 24820, 25300, 25550, 26180, 27302, 27370, 28105, 28543, 30107, 31025, 32725, 33580, 34748, 35420, 36938, 39100, 40150, 41975, 43010, 43435, 44275, 47012, 51100, 54604, 54740, 56210, 57086, 58765, 60214, 62050, 65450, 68255, 68425, 73876, 80300, 83950, 86020, 86870, 88550, 92345, 95557, 107525, 112420, 114172, 117530, 120428, 124100, 129283, 130900, 136510, 136850, 140525, 142715, 150535, 167900, 173740, 177100, 184690, 191114, 199801, 215050, 217175, 235060, 258566, 273020, 273700, 281050, 285430, 293825, 301070, 313973, 341275, 369380, 382228, 399602, 430100, 434350, 461725, 477785, 517132, 562100, 570860, 587650, 602140, 627946, 646415, 682550, 713575, 752675, 799204, 868700, 923450, 955570, 999005, 1175300, 1255892, 1292830, 1365100, 1427150, 1505350, 1569865, 1846900, 1911140, 1998010, 2197811, 2388925, 2585660, 2854300, 3010700, 3139730, 3232075, 3996020, 4395622, 4777850, 4995025, 6279460, 6464150, 7849325, 8791244, 9555700, 9990050, 10989055, 12928300, 15698650, 19980100, 21978110, 31397300, 43956220, 54945275, 109890550, 219781100]

約数ペア:

[(1, 219781100), (2, 109890550), (4, 54945275), (5, 43956220), (7, 31397300), (10, 21978110), (11, 19980100), (14, 15698650), (17, 12928300), (20, 10989055), (22, 9990050), (23, 9555700), (25, 8791244), (28, 7849325), (34, 6464150), (35, 6279460), (44, 4995025), (46, 4777850), (50, 4395622), (55, 3996020), (68, 3232075), (70, 3139730), (73, 3010700), (77, 2854300), (85, 2585660), (92, 2388925), (100, 2197811), (110, 1998010), (115, 1911140), (119, 1846900), (140, 1569865), (146, 1505350), (154, 1427150), (161, 1365100), (170, 1292830), (175, 1255892), (187, 1175300), (220, 999005), (230, 955570), (238, 923450), (253, 868700), (275, 799204), (292, 752675), (308, 713575), (322, 682550), (340, 646415), (350, 627946), (365, 602140), (374, 587650), (385, 570860), (391, 562100), (425, 517132), (460, 477785), (476, 461725), (506, 434350), (511, 430100), (550, 399602), (575, 382228), (595, 369380), (644, 341275), (700, 313973), (730, 301070), (748, 293825), (770, 285430), (782, 281050), (803, 273700), (805, 273020), (850, 258566), (935, 235060), (1012, 217175), (1022, 215050), (1100, 199801), (1150, 191114), (1190, 184690), (1241, 177100), (1265, 173740), (1309, 167900), (1460, 150535), (1540, 142715), (1564, 140525), (1606, 136850), (1610, 136510), (1679, 130900), (1700, 129283), (1771, 124100), (1825, 120428), (1870, 117530), (1925, 114172), (1955, 112420), (2044, 107525), (2300, 95557), (2380, 92345), (2482, 88550), (2530, 86870), (2555, 86020), (2618, 83950), (2737, 80300), (2975, 73876), (3212, 68425), (3220, 68255), (3358, 65450), (3542, 62050), (3650, 60214), (3740, 58765), (3850, 57086), (3910, 56210), (4015, 54740), (4025, 54604), (4301, 51100), (4675, 47012), (4964, 44275), (5060, 43435), (5110, 43010), (5236, 41975), (5474, 40150), (5621, 39100), (5950, 36938), (6205, 35420), (6325, 34748), (6545, 33580), (6716, 32725), (7084, 31025), (7300, 30107), (7700, 28543), (7820, 28105), (8030, 27370), (8050, 27302), (8395, 26180), (8602, 25550), (8687, 25300), (8855, 24820), (9350, 23506), (9775, 22484), (10220, 21505), (10948, 20075), (11242, 19550), (11753, 18700), (11900, 18469), (12410, 17710), (12650, 17374), (12775, 17204), (13090, 16790), (13651, 16100), (13685, 16060)]