1520244790

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1\times {\mathrm{4013}}^1$

素因数の和:4944

約数の個数: 32

約数和(自身を含む): 2803955616

約数和(自身を除く): 1283710826

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 881, 1762, 4013, 4405, 8026, 8810, 20065, 37883, 40130, 75766, 172559, 189415, 345118, 378830, 862795, 1725590, 3535453, 7070906, 17677265, 35354530, 152024479, 304048958, 760122395, 1520244790]

約数ペア:

[(1, 1520244790), (2, 760122395), (5, 304048958), (10, 152024479), (43, 35354530), (86, 17677265), (215, 7070906), (430, 3535453), (881, 1725590), (1762, 862795), (4013, 378830), (4405, 345118), (8026, 189415), (8810, 172559), (20065, 75766), (37883, 40130)]