42400090

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{281}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 77967360

約数和(自身を除く): 35567270

約数列:

[1, 2, 5, 10, 79, 158, 191, 281, 382, 395, 562, 790, 955, 1405, 1910, 2810, 15089, 22199, 30178, 44398, 53671, 75445, 107342, 110995, 150890, 221990, 268355, 536710, 4240009, 8480018, 21200045, 42400090]

約数ペア:

[(1, 42400090), (2, 21200045), (5, 8480018), (10, 4240009), (79, 536710), (158, 268355), (191, 221990), (281, 150890), (382, 110995), (395, 107342), (562, 75445), (790, 53671), (955, 44398), (1405, 30178), (1910, 22199), (2810, 15089)]