74286920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{523}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 173171520

約数和(自身を除く): 98884600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 67, 106, 134, 212, 265, 268, 335, 424, 523, 530, 536, 670, 1046, 1060, 1340, 2092, 2120, 2615, 2680, 3551, 4184, 5230, 7102, 10460, 14204, 17755, 20920, 27719, 28408, 35041, 35510, 55438, 70082, 71020, 110876, 138595, 140164, 142040, 175205, 221752, 277190, 280328, 350410, 554380, 700820, 1108760, 1401640, 1857173, 3714346, 7428692, 9285865, 14857384, 18571730, 37143460, 74286920]

約数ペア:

[(1, 74286920), (2, 37143460), (4, 18571730), (5, 14857384), (8, 9285865), (10, 7428692), (20, 3714346), (40, 1857173), (53, 1401640), (67, 1108760), (106, 700820), (134, 554380), (212, 350410), (265, 280328), (268, 277190), (335, 221752), (424, 175205), (523, 142040), (530, 140164), (536, 138595), (670, 110876), (1046, 71020), (1060, 70082), (1340, 55438), (2092, 35510), (2120, 35041), (2615, 28408), (2680, 27719), (3551, 20920), (4184, 17755), (5230, 14204), (7102, 10460)]