70778990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1289}}^1$

素因数の和:1349

約数の個数: 48

約数和(自身を含む): 142570800

約数和(自身を除く): 71791810

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 289, 323, 578, 646, 1289, 1445, 1615, 2578, 2890, 3230, 5491, 6445, 10982, 12890, 21913, 24491, 27455, 43826, 48982, 54910, 109565, 122455, 219130, 244910, 372521, 416347, 745042, 832694, 1862605, 2081735, 3725210, 4163470, 7077899, 14155798, 35389495, 70778990]

約数ペア:

[(1, 70778990), (2, 35389495), (5, 14155798), (10, 7077899), (17, 4163470), (19, 3725210), (34, 2081735), (38, 1862605), (85, 832694), (95, 745042), (170, 416347), (190, 372521), (289, 244910), (323, 219130), (578, 122455), (646, 109565), (1289, 54910), (1445, 48982), (1615, 43826), (2578, 27455), (2890, 24491), (3230, 21913), (5491, 12890), (6445, 10982)]