1549202680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{1931}}^1$

素因数の和:2620

約数の個数: 64

約数和(自身を含む): 3605575680

約数和(自身を除く): 2056373000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 647, 1240, 1294, 1931, 2588, 3235, 3862, 5176, 6470, 7724, 9655, 12940, 15448, 19310, 20057, 25880, 38620, 40114, 59861, 77240, 80228, 100285, 119722, 160456, 200570, 239444, 299305, 401140, 478888, 598610, 802280, 1197220, 1249357, 2394440, 2498714, 4997428, 6246785, 9994856, 12493570, 24987140, 38730067, 49974280, 77460134, 154920268, 193650335, 309840536, 387300670, 774601340, 1549202680]

約数ペア:

[(1, 1549202680), (2, 774601340), (4, 387300670), (5, 309840536), (8, 193650335), (10, 154920268), (20, 77460134), (31, 49974280), (40, 38730067), (62, 24987140), (124, 12493570), (155, 9994856), (248, 6246785), (310, 4997428), (620, 2498714), (647, 2394440), (1240, 1249357), (1294, 1197220), (1931, 802280), (2588, 598610), (3235, 478888), (3862, 401140), (5176, 299305), (6470, 239444), (7724, 200570), (9655, 160456), (12940, 119722), (15448, 100285), (19310, 80228), (20057, 77240), (25880, 59861), (38620, 40114)]