139609820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{3313}}^1$

素因数の和:3379

約数の個数: 72

約数和(自身を含む): 349083504

約数和(自身を除く): 209473684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2107, 3010, 3313, 4214, 6020, 6626, 8428, 10535, 13252, 16565, 21070, 23191, 33130, 42140, 46382, 66260, 92764, 115955, 142459, 162337, 231910, 284918, 324674, 463820, 569836, 649348, 712295, 811685, 997213, 1424590, 1623370, 1994426, 2849180, 3246740, 3988852, 4986065, 6980491, 9972130, 13960982, 19944260, 27921964, 34902455, 69804910, 139609820]

約数ペア:

[(1, 139609820), (2, 69804910), (4, 34902455), (5, 27921964), (7, 19944260), (10, 13960982), (14, 9972130), (20, 6980491), (28, 4986065), (35, 3988852), (43, 3246740), (49, 2849180), (70, 1994426), (86, 1623370), (98, 1424590), (140, 997213), (172, 811685), (196, 712295), (215, 649348), (245, 569836), (301, 463820), (430, 324674), (490, 284918), (602, 231910), (860, 162337), (980, 142459), (1204, 115955), (1505, 92764), (2107, 66260), (3010, 46382), (3313, 42140), (4214, 33130), (6020, 23191), (6626, 21070), (8428, 16565), (10535, 13252)]