1638730

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:190

約数の個数: 32

約数和(自身を含む): 3129984

約数和(自身を除く): 1491254

約数列:

[1, 2, 5, 10, 37, 43, 74, 86, 103, 185, 206, 215, 370, 430, 515, 1030, 1591, 3182, 3811, 4429, 7622, 7955, 8858, 15910, 19055, 22145, 38110, 44290, 163873, 327746, 819365, 1638730]

約数ペア:

[(1, 1638730), (2, 819365), (5, 327746), (10, 163873), (37, 44290), (43, 38110), (74, 22145), (86, 19055), (103, 15910), (185, 8858), (206, 7955), (215, 7622), (370, 4429), (430, 3811), (515, 3182), (1030, 1591)]