440277985

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2857}}^1$

素因数の和:2930

約数の個数: 48

約数和(自身を含む): 668566224

約数和(自身を除く): 228288239

約数列:

[1, 5, 7, 17, 35, 37, 49, 85, 119, 185, 245, 259, 595, 629, 833, 1295, 1813, 2857, 3145, 4165, 4403, 9065, 14285, 19999, 22015, 30821, 48569, 99995, 105709, 139993, 154105, 242845, 339983, 528545, 699965, 739963, 1699915, 1797053, 2379881, 3699815, 5179741, 8985265, 11899405, 12579371, 25898705, 62896855, 88055597, 440277985]

約数ペア:

[(1, 440277985), (5, 88055597), (7, 62896855), (17, 25898705), (35, 12579371), (37, 11899405), (49, 8985265), (85, 5179741), (119, 3699815), (185, 2379881), (245, 1797053), (259, 1699915), (595, 739963), (629, 699965), (833, 528545), (1295, 339983), (1813, 242845), (2857, 154105), (3145, 139993), (4165, 105709), (4403, 99995), (9065, 48569), (14285, 30821), (19999, 22015)]