849653780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:609

約数の個数: 96

約数和(自身を含む): 1939714560

約数和(自身を除く): 1090060780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 113, 188, 190, 226, 235, 380, 421, 452, 470, 565, 842, 893, 940, 1130, 1684, 1786, 2105, 2147, 2260, 3572, 4210, 4294, 4465, 5311, 7999, 8420, 8588, 8930, 10622, 10735, 15998, 17860, 19787, 21244, 21470, 26555, 31996, 39574, 39995, 42940, 47573, 53110, 79148, 79990, 95146, 98935, 100909, 106220, 159980, 190292, 197870, 201818, 237865, 375953, 395740, 403636, 475730, 504545, 751906, 903887, 951460, 1009090, 1503812, 1807774, 1879765, 2018180, 2235931, 3615548, 3759530, 4471862, 4519435, 7519060, 8943724, 9038870, 11179655, 18077740, 22359310, 42482689, 44718620, 84965378, 169930756, 212413445, 424826890, 849653780]

約数ペア:

[(1, 849653780), (2, 424826890), (4, 212413445), (5, 169930756), (10, 84965378), (19, 44718620), (20, 42482689), (38, 22359310), (47, 18077740), (76, 11179655), (94, 9038870), (95, 8943724), (113, 7519060), (188, 4519435), (190, 4471862), (226, 3759530), (235, 3615548), (380, 2235931), (421, 2018180), (452, 1879765), (470, 1807774), (565, 1503812), (842, 1009090), (893, 951460), (940, 903887), (1130, 751906), (1684, 504545), (1786, 475730), (2105, 403636), (2147, 395740), (2260, 375953), (3572, 237865), (4210, 201818), (4294, 197870), (4465, 190292), (5311, 159980), (7999, 106220), (8420, 100909), (8588, 98935), (8930, 95146), (10622, 79990), (10735, 79148), (15998, 53110), (17860, 47573), (19787, 42940), (21244, 39995), (21470, 39574), (26555, 31996)]