1230717980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{4421}}^1$

素因数の和:4910

約数の個数: 48

約数和(自身を含む): 2674425600

約数和(自身を除く): 1443707620

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 449, 620, 898, 1796, 2245, 4421, 4490, 8842, 8980, 13919, 17684, 22105, 27838, 44210, 55676, 69595, 88420, 137051, 139190, 274102, 278380, 548204, 685255, 1370510, 1985029, 2741020, 3970058, 7940116, 9925145, 19850290, 39700580, 61535899, 123071798, 246143596, 307679495, 615358990, 1230717980]

約数ペア:

[(1, 1230717980), (2, 615358990), (4, 307679495), (5, 246143596), (10, 123071798), (20, 61535899), (31, 39700580), (62, 19850290), (124, 9925145), (155, 7940116), (310, 3970058), (449, 2741020), (620, 1985029), (898, 1370510), (1796, 685255), (2245, 548204), (4421, 278380), (4490, 274102), (8842, 139190), (8980, 137051), (13919, 88420), (17684, 69595), (22105, 55676), (27838, 44210)]