471492020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{2179}}^1$

素因数の和:2568

約数の個数: 48

約数和(自身を含む): 1025472000

約数和(自身を除く): 553979980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 349, 620, 698, 1396, 1745, 2179, 3490, 4358, 6980, 8716, 10819, 10895, 21638, 21790, 43276, 43580, 54095, 67549, 108190, 135098, 216380, 270196, 337745, 675490, 760471, 1350980, 1520942, 3041884, 3802355, 7604710, 15209420, 23574601, 47149202, 94298404, 117873005, 235746010, 471492020]

約数ペア:

[(1, 471492020), (2, 235746010), (4, 117873005), (5, 94298404), (10, 47149202), (20, 23574601), (31, 15209420), (62, 7604710), (124, 3802355), (155, 3041884), (310, 1520942), (349, 1350980), (620, 760471), (698, 675490), (1396, 337745), (1745, 270196), (2179, 216380), (3490, 135098), (4358, 108190), (6980, 67549), (8716, 54095), (10819, 43580), (10895, 43276), (21638, 21790)]