518490620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{36877}}^1$

素因数の和:36942

約数の個数: 48

約数和(自身を含む): 1177145760

約数和(自身を除く): 658655140

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2812, 3515, 7030, 14060, 36877, 73754, 147508, 184385, 368770, 700663, 737540, 1364449, 1401326, 2728898, 2802652, 3503315, 5457796, 6822245, 7006630, 13644490, 14013260, 25924531, 27288980, 51849062, 103698124, 129622655, 259245310, 518490620]

約数ペア:

[(1, 518490620), (2, 259245310), (4, 129622655), (5, 103698124), (10, 51849062), (19, 27288980), (20, 25924531), (37, 14013260), (38, 13644490), (74, 7006630), (76, 6822245), (95, 5457796), (148, 3503315), (185, 2802652), (190, 2728898), (370, 1401326), (380, 1364449), (703, 737540), (740, 700663), (1406, 368770), (2812, 184385), (3515, 147508), (7030, 73754), (14060, 36877)]