397015060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{14009}}^1$

素因数の和:14140

約数の個数: 48

約数和(自身を含む): 906166800

約数和(自身を除く): 509151740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 5668, 7085, 14009, 14170, 28018, 28340, 56036, 70045, 140090, 182117, 280180, 364234, 728468, 910585, 1526981, 1821170, 3053962, 3642340, 6107924, 7634905, 15269810, 19850753, 30539620, 39701506, 79403012, 99253765, 198507530, 397015060]

約数ペア:

[(1, 397015060), (2, 198507530), (4, 99253765), (5, 79403012), (10, 39701506), (13, 30539620), (20, 19850753), (26, 15269810), (52, 7634905), (65, 6107924), (109, 3642340), (130, 3053962), (218, 1821170), (260, 1526981), (436, 910585), (545, 728468), (1090, 364234), (1417, 280180), (2180, 182117), (2834, 140090), (5668, 70045), (7085, 56036), (14009, 28340), (14170, 28018)]