28037100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1$

素因数の和:129

約数の個数: 216

約数和(自身を含む): 101660160

約数和(自身を除く): 73623060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 79, 84, 91, 100, 105, 130, 140, 150, 156, 158, 169, 175, 182, 195, 210, 237, 260, 273, 300, 316, 325, 338, 350, 364, 390, 395, 420, 455, 474, 507, 525, 546, 553, 650, 676, 700, 780, 790, 845, 910, 948, 975, 1014, 1027, 1050, 1092, 1106, 1183, 1185, 1300, 1365, 1580, 1659, 1690, 1820, 1950, 1975, 2028, 2054, 2100, 2212, 2275, 2366, 2370, 2535, 2730, 2765, 3081, 3318, 3380, 3549, 3900, 3950, 4108, 4225, 4550, 4732, 4740, 5070, 5135, 5460, 5530, 5915, 5925, 6162, 6636, 6825, 7098, 7189, 7900, 8295, 8450, 9100, 10140, 10270, 11060, 11830, 11850, 12324, 12675, 13351, 13650, 13825, 14196, 14378, 15405, 16590, 16900, 17745, 20540, 21567, 23660, 23700, 25350, 25675, 26702, 27300, 27650, 28756, 29575, 30810, 33180, 35490, 35945, 40053, 41475, 43134, 50700, 51350, 53404, 55300, 59150, 61620, 66755, 70980, 71890, 77025, 80106, 82950, 86268, 88725, 93457, 102700, 107835, 118300, 133510, 143780, 154050, 160212, 165900, 177450, 179725, 186914, 200265, 215670, 267020, 280371, 308100, 333775, 354900, 359450, 373828, 400530, 431340, 467285, 539175, 560742, 667550, 718900, 801060, 934570, 1001325, 1078350, 1121484, 1335100, 1401855, 1869140, 2002650, 2156700, 2336425, 2803710, 4005300, 4672850, 5607420, 7009275, 9345700, 14018550, 28037100]

約数ペア:

[(1, 28037100), (2, 14018550), (3, 9345700), (4, 7009275), (5, 5607420), (6, 4672850), (7, 4005300), (10, 2803710), (12, 2336425), (13, 2156700), (14, 2002650), (15, 1869140), (20, 1401855), (21, 1335100), (25, 1121484), (26, 1078350), (28, 1001325), (30, 934570), (35, 801060), (39, 718900), (42, 667550), (50, 560742), (52, 539175), (60, 467285), (65, 431340), (70, 400530), (75, 373828), (78, 359450), (79, 354900), (84, 333775), (91, 308100), (100, 280371), (105, 267020), (130, 215670), (140, 200265), (150, 186914), (156, 179725), (158, 177450), (169, 165900), (175, 160212), (182, 154050), (195, 143780), (210, 133510), (237, 118300), (260, 107835), (273, 102700), (300, 93457), (316, 88725), (325, 86268), (338, 82950), (350, 80106), (364, 77025), (390, 71890), (395, 70980), (420, 66755), (455, 61620), (474, 59150), (507, 55300), (525, 53404), (546, 51350), (553, 50700), (650, 43134), (676, 41475), (700, 40053), (780, 35945), (790, 35490), (845, 33180), (910, 30810), (948, 29575), (975, 28756), (1014, 27650), (1027, 27300), (1050, 26702), (1092, 25675), (1106, 25350), (1183, 23700), (1185, 23660), (1300, 21567), (1365, 20540), (1580, 17745), (1659, 16900), (1690, 16590), (1820, 15405), (1950, 14378), (1975, 14196), (2028, 13825), (2054, 13650), (2100, 13351), (2212, 12675), (2275, 12324), (2366, 11850), (2370, 11830), (2535, 11060), (2730, 10270), (2765, 10140), (3081, 9100), (3318, 8450), (3380, 8295), (3549, 7900), (3900, 7189), (3950, 7098), (4108, 6825), (4225, 6636), (4550, 6162), (4732, 5925), (4740, 5915), (5070, 5530), (5135, 5460)]