885647620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{309667}}^1$

素因数の和:309700

約数の個数: 48

約数和(自身を含む): 2185017408

約数和(自身を除く): 1299369788

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 309667, 619334, 1238668, 1548335, 3096670, 3406337, 4025671, 6193340, 6812674, 8051342, 13625348, 16102684, 17031685, 20128355, 34063370, 40256710, 44282381, 68126740, 80513420, 88564762, 177129524, 221411905, 442823810, 885647620]

約数ペア:

[(1, 885647620), (2, 442823810), (4, 221411905), (5, 177129524), (10, 88564762), (11, 80513420), (13, 68126740), (20, 44282381), (22, 40256710), (26, 34063370), (44, 20128355), (52, 17031685), (55, 16102684), (65, 13625348), (110, 8051342), (130, 6812674), (143, 6193340), (220, 4025671), (260, 3406337), (286, 3096670), (572, 1548335), (715, 1238668), (1430, 619334), (2860, 309667)]