7893220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 17740800

約数和(自身を除く): 9847580

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 439, 580, 620, 878, 899, 1756, 1798, 2195, 3596, 4390, 4495, 8780, 8990, 12731, 13609, 17980, 25462, 27218, 50924, 54436, 63655, 68045, 127310, 136090, 254620, 272180, 394661, 789322, 1578644, 1973305, 3946610, 7893220]

約数ペア:

[(1, 7893220), (2, 3946610), (4, 1973305), (5, 1578644), (10, 789322), (20, 394661), (29, 272180), (31, 254620), (58, 136090), (62, 127310), (116, 68045), (124, 63655), (145, 54436), (155, 50924), (290, 27218), (310, 25462), (439, 17980), (580, 13609), (620, 12731), (878, 8990), (899, 8780), (1756, 4495), (1798, 4390), (2195, 3596)]