77142040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1109}}^1$

素因数の和:1204

約数の個数: 64

約数和(自身を含む): 182217600

約数和(自身を除く): 105075560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 235, 296, 370, 376, 470, 740, 940, 1109, 1480, 1739, 1880, 2218, 3478, 4436, 5545, 6956, 8695, 8872, 11090, 13912, 17390, 22180, 34780, 41033, 44360, 52123, 69560, 82066, 104246, 164132, 205165, 208492, 260615, 328264, 410330, 416984, 521230, 820660, 1042460, 1641320, 1928551, 2084920, 3857102, 7714204, 9642755, 15428408, 19285510, 38571020, 77142040]

約数ペア:

[(1, 77142040), (2, 38571020), (4, 19285510), (5, 15428408), (8, 9642755), (10, 7714204), (20, 3857102), (37, 2084920), (40, 1928551), (47, 1641320), (74, 1042460), (94, 820660), (148, 521230), (185, 416984), (188, 410330), (235, 328264), (296, 260615), (370, 208492), (376, 205165), (470, 164132), (740, 104246), (940, 82066), (1109, 69560), (1480, 52123), (1739, 44360), (1880, 41033), (2218, 34780), (3478, 22180), (4436, 17390), (5545, 13912), (6956, 11090), (8695, 8872)]