74745040

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 180131328

約数和(自身を除く): 105386288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 103, 188, 193, 206, 235, 376, 386, 412, 470, 515, 752, 772, 824, 940, 965, 1030, 1544, 1648, 1880, 1930, 2060, 3088, 3760, 3860, 4120, 4841, 7720, 8240, 9071, 9682, 15440, 18142, 19364, 19879, 24205, 36284, 38728, 39758, 45355, 48410, 72568, 77456, 79516, 90710, 96820, 99395, 145136, 159032, 181420, 193640, 198790, 318064, 362840, 387280, 397580, 725680, 795160, 934313, 1590320, 1868626, 3737252, 4671565, 7474504, 9343130, 14949008, 18686260, 37372520, 74745040]

約数ペア:

[(1, 74745040), (2, 37372520), (4, 18686260), (5, 14949008), (8, 9343130), (10, 7474504), (16, 4671565), (20, 3737252), (40, 1868626), (47, 1590320), (80, 934313), (94, 795160), (103, 725680), (188, 397580), (193, 387280), (206, 362840), (235, 318064), (376, 198790), (386, 193640), (412, 181420), (470, 159032), (515, 145136), (752, 99395), (772, 96820), (824, 90710), (940, 79516), (965, 77456), (1030, 72568), (1544, 48410), (1648, 45355), (1880, 39758), (1930, 38728), (2060, 36284), (3088, 24205), (3760, 19879), (3860, 19364), (4120, 18142), (4841, 15440), (7720, 9682), (8240, 9071)]