128207630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{21767}}^1$

素因数の和:21824

約数の個数: 32

約数和(自身を含む): 250767360

約数和(自身を除く): 122559730

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 21767, 43534, 108835, 217670, 413573, 674777, 827146, 1349554, 2067865, 3373885, 4135730, 6747770, 12820763, 25641526, 64103815, 128207630]

約数ペア:

[(1, 128207630), (2, 64103815), (5, 25641526), (10, 12820763), (19, 6747770), (31, 4135730), (38, 3373885), (62, 2067865), (95, 1349554), (155, 827146), (190, 674777), (310, 413573), (589, 217670), (1178, 108835), (2945, 43534), (5890, 21767)]