74815180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3821}}^1$

素因数の和:3930

約数の個数: 48

約数和(自身を含む): 173365920

約数和(自身を除く): 98550740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3821, 3916, 4895, 7642, 9790, 15284, 19105, 19580, 38210, 42031, 76420, 84062, 168124, 210155, 340069, 420310, 680138, 840620, 1360276, 1700345, 3400690, 3740759, 6801380, 7481518, 14963036, 18703795, 37407590, 74815180]

約数ペア:

[(1, 74815180), (2, 37407590), (4, 18703795), (5, 14963036), (10, 7481518), (11, 6801380), (20, 3740759), (22, 3400690), (44, 1700345), (55, 1360276), (89, 840620), (110, 680138), (178, 420310), (220, 340069), (356, 210155), (445, 168124), (890, 84062), (979, 76420), (1780, 42031), (1958, 38210), (3821, 19580), (3916, 19105), (4895, 15284), (7642, 9790)]