28435260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:955

約数の個数: 96

約数和(自身を含む): 92252160

約数和(自身を除く): 63816900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 79, 84, 105, 140, 158, 210, 237, 316, 395, 420, 474, 553, 790, 857, 948, 1106, 1185, 1580, 1659, 1714, 2212, 2370, 2571, 2765, 3318, 3428, 4285, 4740, 5142, 5530, 5999, 6636, 8295, 8570, 10284, 11060, 11998, 12855, 16590, 17140, 17997, 23996, 25710, 29995, 33180, 35994, 51420, 59990, 67703, 71988, 89985, 119980, 135406, 179970, 203109, 270812, 338515, 359940, 406218, 473921, 677030, 812436, 947842, 1015545, 1354060, 1421763, 1895684, 2031090, 2369605, 2843526, 4062180, 4739210, 5687052, 7108815, 9478420, 14217630, 28435260]

約数ペア:

[(1, 28435260), (2, 14217630), (3, 9478420), (4, 7108815), (5, 5687052), (6, 4739210), (7, 4062180), (10, 2843526), (12, 2369605), (14, 2031090), (15, 1895684), (20, 1421763), (21, 1354060), (28, 1015545), (30, 947842), (35, 812436), (42, 677030), (60, 473921), (70, 406218), (79, 359940), (84, 338515), (105, 270812), (140, 203109), (158, 179970), (210, 135406), (237, 119980), (316, 89985), (395, 71988), (420, 67703), (474, 59990), (553, 51420), (790, 35994), (857, 33180), (948, 29995), (1106, 25710), (1185, 23996), (1580, 17997), (1659, 17140), (1714, 16590), (2212, 12855), (2370, 11998), (2571, 11060), (2765, 10284), (3318, 8570), (3428, 8295), (4285, 6636), (4740, 5999), (5142, 5530)]