3912740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 8996400

約数和(自身を除く): 5083660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 149, 202, 260, 298, 404, 505, 596, 745, 1010, 1313, 1490, 1937, 2020, 2626, 2980, 3874, 5252, 6565, 7748, 9685, 13130, 15049, 19370, 26260, 30098, 38740, 60196, 75245, 150490, 195637, 300980, 391274, 782548, 978185, 1956370, 3912740]

約数ペア:

[(1, 3912740), (2, 1956370), (4, 978185), (5, 782548), (10, 391274), (13, 300980), (20, 195637), (26, 150490), (52, 75245), (65, 60196), (101, 38740), (130, 30098), (149, 26260), (202, 19370), (260, 15049), (298, 13130), (404, 9685), (505, 7748), (596, 6565), (745, 5252), (1010, 3874), (1313, 2980), (1490, 2626), (1937, 2020)]