188749640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1409}}^1$

素因数の和:1634

約数の個数: 64

約数和(自身を含む): 452271600

約数和(自身を除く): 263521960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 197, 340, 394, 680, 788, 985, 1409, 1576, 1970, 2818, 3349, 3940, 5636, 6698, 7045, 7880, 11272, 13396, 14090, 16745, 23953, 26792, 28180, 33490, 47906, 56360, 66980, 95812, 119765, 133960, 191624, 239530, 277573, 479060, 555146, 958120, 1110292, 1387865, 2220584, 2775730, 4718741, 5551460, 9437482, 11102920, 18874964, 23593705, 37749928, 47187410, 94374820, 188749640]

約数ペア:

[(1, 188749640), (2, 94374820), (4, 47187410), (5, 37749928), (8, 23593705), (10, 18874964), (17, 11102920), (20, 9437482), (34, 5551460), (40, 4718741), (68, 2775730), (85, 2220584), (136, 1387865), (170, 1110292), (197, 958120), (340, 555146), (394, 479060), (680, 277573), (788, 239530), (985, 191624), (1409, 133960), (1576, 119765), (1970, 95812), (2818, 66980), (3349, 56360), (3940, 47906), (5636, 33490), (6698, 28180), (7045, 26792), (7880, 23953), (11272, 16745), (13396, 14090)]