1400280560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1103}}^1\times {\mathrm{2267}}^1$

素因数の和:3390

約数の個数: 80

約数和(自身を含む): 3725761536

約数和(自身を除く): 2325480976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1103, 2206, 2267, 4412, 4534, 5515, 7721, 8824, 9068, 11030, 11335, 15442, 15869, 17648, 18136, 22060, 22670, 30884, 31738, 36272, 38605, 44120, 45340, 61768, 63476, 77210, 79345, 88240, 90680, 123536, 126952, 154420, 158690, 181360, 253904, 308840, 317380, 617680, 634760, 1269520, 2500501, 5001002, 10002004, 12502505, 17503507, 20004008, 25005010, 35007014, 40008016, 50010020, 70014028, 87517535, 100020040, 140028056, 175035070, 200040080, 280056112, 350070140, 700140280, 1400280560]

約数ペア:

[(1, 1400280560), (2, 700140280), (4, 350070140), (5, 280056112), (7, 200040080), (8, 175035070), (10, 140028056), (14, 100020040), (16, 87517535), (20, 70014028), (28, 50010020), (35, 40008016), (40, 35007014), (56, 25005010), (70, 20004008), (80, 17503507), (112, 12502505), (140, 10002004), (280, 5001002), (560, 2500501), (1103, 1269520), (2206, 634760), (2267, 617680), (4412, 317380), (4534, 308840), (5515, 253904), (7721, 181360), (8824, 158690), (9068, 154420), (11030, 126952), (11335, 123536), (15442, 90680), (15869, 88240), (17648, 79345), (18136, 77210), (22060, 63476), (22670, 61768), (30884, 45340), (31738, 44120), (36272, 38605)]