165718420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{1931}}^1$

素因数の和:2560

約数の個数: 48

約数和(自身を含む): 398579328

約数和(自身を除く): 232860908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 613, 1226, 1931, 2452, 3065, 3862, 4291, 6130, 7724, 8582, 9655, 12260, 13517, 17164, 19310, 21455, 27034, 38620, 42910, 54068, 67585, 85820, 135170, 270340, 1183703, 2367406, 4734812, 5918515, 8285921, 11837030, 16571842, 23674060, 33143684, 41429605, 82859210, 165718420]

約数ペア:

[(1, 165718420), (2, 82859210), (4, 41429605), (5, 33143684), (7, 23674060), (10, 16571842), (14, 11837030), (20, 8285921), (28, 5918515), (35, 4734812), (70, 2367406), (140, 1183703), (613, 270340), (1226, 135170), (1931, 85820), (2452, 67585), (3065, 54068), (3862, 42910), (4291, 38620), (6130, 27034), (7724, 21455), (8582, 19310), (9655, 17164), (12260, 13517)]