205367440

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{283}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 491897088

約数和(自身を除く): 286529648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 193, 235, 283, 376, 386, 470, 566, 752, 772, 940, 965, 1132, 1415, 1544, 1880, 1930, 2264, 2830, 3088, 3760, 3860, 4528, 5660, 7720, 9071, 11320, 13301, 15440, 18142, 22640, 26602, 36284, 45355, 53204, 54619, 66505, 72568, 90710, 106408, 109238, 133010, 145136, 181420, 212816, 218476, 266020, 273095, 362840, 436952, 532040, 546190, 725680, 873904, 1064080, 1092380, 2184760, 2567093, 4369520, 5134186, 10268372, 12835465, 20536744, 25670930, 41073488, 51341860, 102683720, 205367440]

約数ペア:

[(1, 205367440), (2, 102683720), (4, 51341860), (5, 41073488), (8, 25670930), (10, 20536744), (16, 12835465), (20, 10268372), (40, 5134186), (47, 4369520), (80, 2567093), (94, 2184760), (188, 1092380), (193, 1064080), (235, 873904), (283, 725680), (376, 546190), (386, 532040), (470, 436952), (566, 362840), (752, 273095), (772, 266020), (940, 218476), (965, 212816), (1132, 181420), (1415, 145136), (1544, 133010), (1880, 109238), (1930, 106408), (2264, 90710), (2830, 72568), (3088, 66505), (3760, 54619), (3860, 53204), (4528, 45355), (5660, 36284), (7720, 26602), (9071, 22640), (11320, 18142), (13301, 15440)]