90286840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2539}}^1$

素因数の和:2684

約数の個数: 64

約数和(自身を含む): 234086400

約数和(自身を除く): 143799560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 889, 1016, 1270, 1778, 2539, 2540, 3556, 4445, 5078, 5080, 7112, 8890, 10156, 12695, 17773, 17780, 20312, 25390, 35546, 35560, 50780, 71092, 88865, 101560, 142184, 177730, 322453, 355460, 644906, 710920, 1289812, 1612265, 2257171, 2579624, 3224530, 4514342, 6449060, 9028684, 11285855, 12898120, 18057368, 22571710, 45143420, 90286840]

約数ペア:

[(1, 90286840), (2, 45143420), (4, 22571710), (5, 18057368), (7, 12898120), (8, 11285855), (10, 9028684), (14, 6449060), (20, 4514342), (28, 3224530), (35, 2579624), (40, 2257171), (56, 1612265), (70, 1289812), (127, 710920), (140, 644906), (254, 355460), (280, 322453), (508, 177730), (635, 142184), (889, 101560), (1016, 88865), (1270, 71092), (1778, 50780), (2539, 35560), (2540, 35546), (3556, 25390), (4445, 20312), (5078, 17780), (5080, 17773), (7112, 12695), (8890, 10156)]