170217850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1571}}^1$

素因数の和:1791

約数の個数: 48

約数和(自身を含む): 347361696

約数和(自身を除く): 177143846

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 197, 275, 394, 550, 985, 1571, 1970, 2167, 3142, 4334, 4925, 7855, 9850, 10835, 15710, 17281, 21670, 34562, 39275, 54175, 78550, 86405, 108350, 172810, 309487, 432025, 618974, 864050, 1547435, 3094870, 3404357, 6808714, 7737175, 15474350, 17021785, 34043570, 85108925, 170217850]

約数ペア:

[(1, 170217850), (2, 85108925), (5, 34043570), (10, 17021785), (11, 15474350), (22, 7737175), (25, 6808714), (50, 3404357), (55, 3094870), (110, 1547435), (197, 864050), (275, 618974), (394, 432025), (550, 309487), (985, 172810), (1571, 108350), (1970, 86405), (2167, 78550), (3142, 54175), (4334, 39275), (4925, 34562), (7855, 21670), (9850, 17281), (10835, 15710)]