140730980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{14629}}^1$

素因数の和:14688

約数の個数: 48

約数和(自身を含む): 326892720

約数和(自身を除く): 186161740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 14629, 29258, 58516, 73145, 146290, 190177, 292580, 380354, 541273, 760708, 950885, 1082546, 1901770, 2165092, 2706365, 3803540, 5412730, 7036549, 10825460, 14073098, 28146196, 35182745, 70365490, 140730980]

約数ペア:

[(1, 140730980), (2, 70365490), (4, 35182745), (5, 28146196), (10, 14073098), (13, 10825460), (20, 7036549), (26, 5412730), (37, 3803540), (52, 2706365), (65, 2165092), (74, 1901770), (130, 1082546), (148, 950885), (185, 760708), (260, 541273), (370, 380354), (481, 292580), (740, 190177), (962, 146290), (1924, 73145), (2405, 58516), (4810, 29258), (9620, 14629)]