84804920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 197683200

約数和(自身を除く): 112878280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 79, 94, 158, 188, 235, 316, 376, 395, 470, 571, 632, 790, 940, 1142, 1580, 1880, 2284, 2855, 3160, 3713, 4568, 5710, 7426, 11420, 14852, 18565, 22840, 26837, 29704, 37130, 45109, 53674, 74260, 90218, 107348, 134185, 148520, 180436, 214696, 225545, 268370, 360872, 451090, 536740, 902180, 1073480, 1804360, 2120123, 4240246, 8480492, 10600615, 16960984, 21201230, 42402460, 84804920]

約数ペア:

[(1, 84804920), (2, 42402460), (4, 21201230), (5, 16960984), (8, 10600615), (10, 8480492), (20, 4240246), (40, 2120123), (47, 1804360), (79, 1073480), (94, 902180), (158, 536740), (188, 451090), (235, 360872), (316, 268370), (376, 225545), (395, 214696), (470, 180436), (571, 148520), (632, 134185), (790, 107348), (940, 90218), (1142, 74260), (1580, 53674), (1880, 45109), (2284, 37130), (2855, 29704), (3160, 26837), (3713, 22840), (4568, 18565), (5710, 14852), (7426, 11420)]