210915940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{20011}}^1$

素因数の和:20068

約数の個数: 48

約数和(自身を含む): 484130304

約数和(自身を除く): 273214364

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 10540, 20011, 40022, 80044, 100055, 200110, 340187, 400220, 620341, 680374, 1240682, 1360748, 1700935, 2481364, 3101705, 3401870, 6203410, 6803740, 10545797, 12406820, 21091594, 42183188, 52728985, 105457970, 210915940]

約数ペア:

[(1, 210915940), (2, 105457970), (4, 52728985), (5, 42183188), (10, 21091594), (17, 12406820), (20, 10545797), (31, 6803740), (34, 6203410), (62, 3401870), (68, 3101705), (85, 2481364), (124, 1700935), (155, 1360748), (170, 1240682), (310, 680374), (340, 620341), (527, 400220), (620, 340187), (1054, 200110), (2108, 100055), (2635, 80044), (5270, 40022), (10540, 20011)]