397789460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{701}}^1\times {\mathrm{1669}}^1$

素因数の和:2396

約数の個数: 48

約数和(自身を含む): 886289040

約数和(自身を除く): 488499580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 701, 1402, 1669, 2804, 3338, 3505, 6676, 7010, 8345, 11917, 14020, 16690, 23834, 28373, 33380, 47668, 56746, 59585, 113492, 119170, 141865, 238340, 283730, 567460, 1169969, 2339938, 4679876, 5849845, 11699690, 19889473, 23399380, 39778946, 79557892, 99447365, 198894730, 397789460]

約数ペア:

[(1, 397789460), (2, 198894730), (4, 99447365), (5, 79557892), (10, 39778946), (17, 23399380), (20, 19889473), (34, 11699690), (68, 5849845), (85, 4679876), (170, 2339938), (340, 1169969), (701, 567460), (1402, 283730), (1669, 238340), (2804, 141865), (3338, 119170), (3505, 113492), (6676, 59585), (7010, 56746), (8345, 47668), (11917, 33380), (14020, 28373), (16690, 23834)]