251013030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{2777}}^1$

素因数の和:2941

約数の個数: 64

約数和(自身を含む): 633650688

約数和(自身を除く): 382637658

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 131, 138, 230, 262, 345, 393, 655, 690, 786, 1310, 1965, 2777, 3013, 3930, 5554, 6026, 8331, 9039, 13885, 15065, 16662, 18078, 27770, 30130, 41655, 45195, 63871, 83310, 90390, 127742, 191613, 319355, 363787, 383226, 638710, 727574, 958065, 1091361, 1818935, 1916130, 2182722, 3637870, 5456805, 8367101, 10913610, 16734202, 25101303, 41835505, 50202606, 83671010, 125506515, 251013030]

約数ペア:

[(1, 251013030), (2, 125506515), (3, 83671010), (5, 50202606), (6, 41835505), (10, 25101303), (15, 16734202), (23, 10913610), (30, 8367101), (46, 5456805), (69, 3637870), (115, 2182722), (131, 1916130), (138, 1818935), (230, 1091361), (262, 958065), (345, 727574), (393, 638710), (655, 383226), (690, 363787), (786, 319355), (1310, 191613), (1965, 127742), (2777, 90390), (3013, 83310), (3930, 63871), (5554, 45195), (6026, 41655), (8331, 30130), (9039, 27770), (13885, 18078), (15065, 16662)]