1915202920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{17021}}^1$

素因数の和:17158

約数の個数: 64

約数和(自身を含む): 4504021200

約数和(自身を除く): 2588818280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 97, 116, 145, 194, 232, 290, 388, 485, 580, 776, 970, 1160, 1940, 2813, 3880, 5626, 11252, 14065, 17021, 22504, 28130, 34042, 56260, 68084, 85105, 112520, 136168, 170210, 340420, 493609, 680840, 987218, 1651037, 1974436, 2468045, 3302074, 3948872, 4936090, 6604148, 8255185, 9872180, 13208296, 16510370, 19744360, 33020740, 47880073, 66041480, 95760146, 191520292, 239400365, 383040584, 478800730, 957601460, 1915202920]

約数ペア:

[(1, 1915202920), (2, 957601460), (4, 478800730), (5, 383040584), (8, 239400365), (10, 191520292), (20, 95760146), (29, 66041480), (40, 47880073), (58, 33020740), (97, 19744360), (116, 16510370), (145, 13208296), (194, 9872180), (232, 8255185), (290, 6604148), (388, 4936090), (485, 3948872), (580, 3302074), (776, 2468045), (970, 1974436), (1160, 1651037), (1940, 987218), (2813, 680840), (3880, 493609), (5626, 340420), (11252, 170210), (14065, 136168), (17021, 112520), (22504, 85105), (28130, 68084), (34042, 56260)]