8215420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 18573408

約数和(自身を除く): 10357988

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 292, 331, 340, 365, 662, 730, 1241, 1324, 1460, 1655, 2482, 3310, 4964, 5627, 6205, 6620, 11254, 12410, 22508, 24163, 24820, 28135, 48326, 56270, 96652, 112540, 120815, 241630, 410771, 483260, 821542, 1643084, 2053855, 4107710, 8215420]

約数ペア:

[(1, 8215420), (2, 4107710), (4, 2053855), (5, 1643084), (10, 821542), (17, 483260), (20, 410771), (34, 241630), (68, 120815), (73, 112540), (85, 96652), (146, 56270), (170, 48326), (292, 28135), (331, 24820), (340, 24163), (365, 22508), (662, 12410), (730, 11254), (1241, 6620), (1324, 6205), (1460, 5627), (1655, 4964), (2482, 3310)]