1275794620

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1\times {\mathrm{2029}}^1$

素因数の和:2398

約数の個数: 48

約数和(自身を含む): 2711268000

約数和(自身を除く): 1435473380

約数列:

[1, 2, 4, 5, 10, 20, 149, 211, 298, 422, 596, 745, 844, 1055, 1490, 2029, 2110, 2980, 4058, 4220, 8116, 10145, 20290, 31439, 40580, 62878, 125756, 157195, 302321, 314390, 428119, 604642, 628780, 856238, 1209284, 1511605, 1712476, 2140595, 3023210, 4281190, 6046420, 8562380, 63789731, 127579462, 255158924, 318948655, 637897310, 1275794620]

約数ペア:

[(1, 1275794620), (2, 637897310), (4, 318948655), (5, 255158924), (10, 127579462), (20, 63789731), (149, 8562380), (211, 6046420), (298, 4281190), (422, 3023210), (596, 2140595), (745, 1712476), (844, 1511605), (1055, 1209284), (1490, 856238), (2029, 628780), (2110, 604642), (2980, 428119), (4058, 314390), (4220, 302321), (8116, 157195), (10145, 125756), (20290, 62878), (31439, 40580)]