118389620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{743}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 257983488

約数和(自身を除く): 139593868

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 257, 310, 514, 620, 743, 1028, 1285, 1486, 2570, 2972, 3715, 5140, 7430, 7967, 14860, 15934, 23033, 31868, 39835, 46066, 79670, 92132, 115165, 159340, 190951, 230330, 381902, 460660, 763804, 954755, 1909510, 3819020, 5919481, 11838962, 23677924, 29597405, 59194810, 118389620]

約数ペア:

[(1, 118389620), (2, 59194810), (4, 29597405), (5, 23677924), (10, 11838962), (20, 5919481), (31, 3819020), (62, 1909510), (124, 954755), (155, 763804), (257, 460660), (310, 381902), (514, 230330), (620, 190951), (743, 159340), (1028, 115165), (1285, 92132), (1486, 79670), (2570, 46066), (2972, 39835), (3715, 31868), (5140, 23033), (7430, 15934), (7967, 14860)]