17421080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 41040000

約数和(自身を除く): 23618920

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 148, 149, 158, 185, 296, 298, 316, 370, 395, 596, 632, 740, 745, 790, 1192, 1480, 1490, 1580, 2923, 2980, 3160, 5513, 5846, 5960, 11026, 11692, 11771, 14615, 22052, 23384, 23542, 27565, 29230, 44104, 47084, 55130, 58460, 58855, 94168, 110260, 116920, 117710, 220520, 235420, 435527, 470840, 871054, 1742108, 2177635, 3484216, 4355270, 8710540, 17421080]

約数ペア:

[(1, 17421080), (2, 8710540), (4, 4355270), (5, 3484216), (8, 2177635), (10, 1742108), (20, 871054), (37, 470840), (40, 435527), (74, 235420), (79, 220520), (148, 117710), (149, 116920), (158, 110260), (185, 94168), (296, 58855), (298, 58460), (316, 55130), (370, 47084), (395, 44104), (596, 29230), (632, 27565), (740, 23542), (745, 23384), (790, 22052), (1192, 14615), (1480, 11771), (1490, 11692), (1580, 11026), (2923, 5960), (2980, 5846), (3160, 5513)]