199933430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{8461}}^1$

素因数の和:8624

約数の個数: 32

約数和(自身を含む): 383836320

約数和(自身を除く): 183902890

約数列:

[1, 2, 5, 10, 17, 34, 85, 139, 170, 278, 695, 1390, 2363, 4726, 8461, 11815, 16922, 23630, 42305, 84610, 143837, 287674, 719185, 1176079, 1438370, 2352158, 5880395, 11760790, 19993343, 39986686, 99966715, 199933430]

約数ペア:

[(1, 199933430), (2, 99966715), (5, 39986686), (10, 19993343), (17, 11760790), (34, 5880395), (85, 2352158), (139, 1438370), (170, 1176079), (278, 719185), (695, 287674), (1390, 143837), (2363, 84610), (4726, 42305), (8461, 23630), (11815, 16922)]