72819740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{3313}}^1$

素因数の和:3486

約数の個数: 48

約数和(自身を含む): 175933632

約数和(自身を除く): 103113892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 3140, 3313, 4396, 5495, 6626, 10990, 13252, 16565, 21980, 23191, 33130, 46382, 66260, 92764, 115955, 231910, 463820, 520141, 1040282, 2080564, 2600705, 3640987, 5201410, 7281974, 10402820, 14563948, 18204935, 36409870, 72819740]

約数ペア:

[(1, 72819740), (2, 36409870), (4, 18204935), (5, 14563948), (7, 10402820), (10, 7281974), (14, 5201410), (20, 3640987), (28, 2600705), (35, 2080564), (70, 1040282), (140, 520141), (157, 463820), (314, 231910), (628, 115955), (785, 92764), (1099, 66260), (1570, 46382), (2198, 33130), (3140, 23191), (3313, 21980), (4396, 16565), (5495, 13252), (6626, 10990)]