31135870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 62599680

約数和(自身を除く): 31463810

約数列:

[1, 2, 5, 10, 19, 37, 38, 43, 74, 86, 95, 103, 185, 190, 206, 215, 370, 430, 515, 703, 817, 1030, 1406, 1591, 1634, 1957, 3182, 3515, 3811, 3914, 4085, 4429, 7030, 7622, 7955, 8170, 8858, 9785, 15910, 19055, 19570, 22145, 30229, 38110, 44290, 60458, 72409, 84151, 144818, 151145, 163873, 168302, 302290, 327746, 362045, 420755, 724090, 819365, 841510, 1638730, 3113587, 6227174, 15567935, 31135870]

約数ペア:

[(1, 31135870), (2, 15567935), (5, 6227174), (10, 3113587), (19, 1638730), (37, 841510), (38, 819365), (43, 724090), (74, 420755), (86, 362045), (95, 327746), (103, 302290), (185, 168302), (190, 163873), (206, 151145), (215, 144818), (370, 84151), (430, 72409), (515, 60458), (703, 44290), (817, 38110), (1030, 30229), (1406, 22145), (1591, 19570), (1634, 19055), (1957, 15910), (3182, 9785), (3515, 8858), (3811, 8170), (3914, 7955), (4085, 7622), (4429, 7030)]