1900565680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{49391}}^1$

素因数の和:49454

約数の個数: 80

約数和(自身を含む): 4887437184

約数和(自身を除く): 2986871504

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 740, 962, 1040, 1480, 1924, 2405, 2960, 3848, 4810, 7696, 9620, 19240, 38480, 49391, 98782, 197564, 246955, 395128, 493910, 642083, 790256, 987820, 1284166, 1827467, 1975640, 2568332, 3210415, 3654934, 3951280, 5136664, 6420830, 7309868, 9137335, 10273328, 12841660, 14619736, 18274670, 23757071, 25683320, 29239472, 36549340, 47514142, 51366640, 73098680, 95028284, 118785355, 146197360, 190056568, 237570710, 380113136, 475141420, 950282840, 1900565680]

約数ペア:

[(1, 1900565680), (2, 950282840), (4, 475141420), (5, 380113136), (8, 237570710), (10, 190056568), (13, 146197360), (16, 118785355), (20, 95028284), (26, 73098680), (37, 51366640), (40, 47514142), (52, 36549340), (65, 29239472), (74, 25683320), (80, 23757071), (104, 18274670), (130, 14619736), (148, 12841660), (185, 10273328), (208, 9137335), (260, 7309868), (296, 6420830), (370, 5136664), (481, 3951280), (520, 3654934), (592, 3210415), (740, 2568332), (962, 1975640), (1040, 1827467), (1480, 1284166), (1924, 987820), (2405, 790256), (2960, 642083), (3848, 493910), (4810, 395128), (7696, 246955), (9620, 197564), (19240, 98782), (38480, 49391)]