149115820

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{21737}}^1$

素因数の和:21767

約数の個数: 48

約数和(自身を含む): 365198400

約数和(自身を除く): 216082580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 21737, 43474, 86948, 108685, 152159, 217370, 304318, 434740, 608636, 760795, 1065113, 1521590, 2130226, 3043180, 4260452, 5325565, 7455791, 10651130, 14911582, 21302260, 29823164, 37278955, 74557910, 149115820]

約数ペア:

[(1, 149115820), (2, 74557910), (4, 37278955), (5, 29823164), (7, 21302260), (10, 14911582), (14, 10651130), (20, 7455791), (28, 5325565), (35, 4260452), (49, 3043180), (70, 2130226), (98, 1521590), (140, 1065113), (196, 760795), (245, 608636), (343, 434740), (490, 304318), (686, 217370), (980, 152159), (1372, 108685), (1715, 86948), (3430, 43474), (6860, 21737)]