209392400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:178

約数の個数: 240

約数和(自身を含む): 627709824

約数和(自身を除く): 418317424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 34, 35, 40, 50, 53, 56, 68, 70, 80, 83, 85, 100, 106, 112, 119, 136, 140, 166, 170, 175, 200, 212, 238, 265, 272, 280, 332, 340, 350, 371, 400, 415, 424, 425, 476, 530, 560, 581, 595, 664, 680, 700, 742, 830, 848, 850, 901, 952, 1060, 1162, 1190, 1325, 1328, 1360, 1400, 1411, 1484, 1660, 1700, 1802, 1855, 1904, 2075, 2120, 2324, 2380, 2650, 2800, 2822, 2905, 2968, 2975, 3320, 3400, 3604, 3710, 4150, 4240, 4399, 4505, 4648, 4760, 5300, 5644, 5810, 5936, 5950, 6307, 6640, 6800, 7055, 7208, 7420, 8300, 8798, 9010, 9275, 9296, 9520, 9877, 10600, 11288, 11620, 11900, 12614, 14110, 14416, 14525, 14840, 16600, 17596, 18020, 18550, 19754, 21200, 21995, 22525, 22576, 23240, 23800, 25228, 28220, 29050, 29680, 30793, 31535, 33200, 35192, 35275, 36040, 37100, 39508, 43990, 45050, 46480, 47600, 49385, 50456, 56440, 58100, 61586, 63070, 70384, 70550, 72080, 74200, 74783, 79016, 87980, 90100, 98770, 100912, 109975, 112880, 116200, 123172, 126140, 141100, 148400, 149566, 153965, 157675, 158032, 175960, 180200, 197540, 219950, 232400, 246344, 246925, 252280, 282200, 299132, 307930, 315350, 351920, 360400, 373915, 395080, 439900, 492688, 493850, 504560, 523481, 564400, 598264, 615860, 630700, 747830, 769825, 790160, 879800, 987700, 1046962, 1196528, 1231720, 1261400, 1495660, 1539650, 1759600, 1869575, 1975400, 2093924, 2463440, 2522800, 2617405, 2991320, 3079300, 3739150, 3950800, 4187848, 5234810, 5982640, 6158600, 7478300, 8375696, 10469620, 12317200, 13087025, 14956600, 20939240, 26174050, 29913200, 41878480, 52348100, 104696200, 209392400]

約数ペア:

[(1, 209392400), (2, 104696200), (4, 52348100), (5, 41878480), (7, 29913200), (8, 26174050), (10, 20939240), (14, 14956600), (16, 13087025), (17, 12317200), (20, 10469620), (25, 8375696), (28, 7478300), (34, 6158600), (35, 5982640), (40, 5234810), (50, 4187848), (53, 3950800), (56, 3739150), (68, 3079300), (70, 2991320), (80, 2617405), (83, 2522800), (85, 2463440), (100, 2093924), (106, 1975400), (112, 1869575), (119, 1759600), (136, 1539650), (140, 1495660), (166, 1261400), (170, 1231720), (175, 1196528), (200, 1046962), (212, 987700), (238, 879800), (265, 790160), (272, 769825), (280, 747830), (332, 630700), (340, 615860), (350, 598264), (371, 564400), (400, 523481), (415, 504560), (424, 493850), (425, 492688), (476, 439900), (530, 395080), (560, 373915), (581, 360400), (595, 351920), (664, 315350), (680, 307930), (700, 299132), (742, 282200), (830, 252280), (848, 246925), (850, 246344), (901, 232400), (952, 219950), (1060, 197540), (1162, 180200), (1190, 175960), (1325, 158032), (1328, 157675), (1360, 153965), (1400, 149566), (1411, 148400), (1484, 141100), (1660, 126140), (1700, 123172), (1802, 116200), (1855, 112880), (1904, 109975), (2075, 100912), (2120, 98770), (2324, 90100), (2380, 87980), (2650, 79016), (2800, 74783), (2822, 74200), (2905, 72080), (2968, 70550), (2975, 70384), (3320, 63070), (3400, 61586), (3604, 58100), (3710, 56440), (4150, 50456), (4240, 49385), (4399, 47600), (4505, 46480), (4648, 45050), (4760, 43990), (5300, 39508), (5644, 37100), (5810, 36040), (5936, 35275), (5950, 35192), (6307, 33200), (6640, 31535), (6800, 30793), (7055, 29680), (7208, 29050), (7420, 28220), (8300, 25228), (8798, 23800), (9010, 23240), (9275, 22576), (9296, 22525), (9520, 21995), (9877, 21200), (10600, 19754), (11288, 18550), (11620, 18020), (11900, 17596), (12614, 16600), (14110, 14840), (14416, 14525)]