907419970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 1712430720

約数和(自身を除く): 805010750

約数列:

[1, 2, 5, 10, 43, 86, 89, 131, 178, 181, 215, 262, 362, 430, 445, 655, 890, 905, 1310, 1810, 3827, 5633, 7654, 7783, 11266, 11659, 15566, 16109, 19135, 23318, 23711, 28165, 32218, 38270, 38915, 47422, 56330, 58295, 77830, 80545, 116590, 118555, 161090, 237110, 501337, 692687, 1002674, 1019573, 1385374, 2039146, 2110279, 2506685, 3463435, 4220558, 5013370, 5097865, 6926870, 10195730, 10551395, 21102790, 90741997, 181483994, 453709985, 907419970]

約数ペア:

[(1, 907419970), (2, 453709985), (5, 181483994), (10, 90741997), (43, 21102790), (86, 10551395), (89, 10195730), (131, 6926870), (178, 5097865), (181, 5013370), (215, 4220558), (262, 3463435), (362, 2506685), (430, 2110279), (445, 2039146), (655, 1385374), (890, 1019573), (905, 1002674), (1310, 692687), (1810, 501337), (3827, 237110), (5633, 161090), (7654, 118555), (7783, 116590), (11266, 80545), (11659, 77830), (15566, 58295), (16109, 56330), (19135, 47422), (23318, 38915), (23711, 38270), (28165, 32218)]