331369480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{2423}}^1$

素因数の和:2710

約数の個数: 64

約数和(自身を含む): 806319360

約数和(自身を除く): 474949880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 263, 520, 526, 1052, 1315, 2104, 2423, 2630, 3419, 4846, 5260, 6838, 9692, 10520, 12115, 13676, 17095, 19384, 24230, 27352, 31499, 34190, 48460, 62998, 68380, 96920, 125996, 136760, 157495, 251992, 314990, 629980, 637249, 1259960, 1274498, 2548996, 3186245, 5097992, 6372490, 8284237, 12744980, 16568474, 25489960, 33136948, 41421185, 66273896, 82842370, 165684740, 331369480]

約数ペア:

[(1, 331369480), (2, 165684740), (4, 82842370), (5, 66273896), (8, 41421185), (10, 33136948), (13, 25489960), (20, 16568474), (26, 12744980), (40, 8284237), (52, 6372490), (65, 5097992), (104, 3186245), (130, 2548996), (260, 1274498), (263, 1259960), (520, 637249), (526, 629980), (1052, 314990), (1315, 251992), (2104, 157495), (2423, 136760), (2630, 125996), (3419, 96920), (4846, 68380), (5260, 62998), (6838, 48460), (9692, 34190), (10520, 31499), (12115, 27352), (13676, 24230), (17095, 19384)]