251091567380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9941}}^1\times {\mathrm{40739}}^1$

素因数の和:50720

約数の個数: 48

約数和(自身を含む): 544369835520

約数和(自身を除く): 293278268140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 9941, 19882, 39764, 40739, 49705, 81478, 99410, 162956, 198820, 203695, 308171, 407390, 616342, 814780, 1232684, 1262909, 1540855, 2525818, 3081710, 5051636, 6163420, 6314545, 12629090, 25258180, 404986399, 809972798, 1619945596, 2024931995, 4049863990, 8099727980, 12554578369, 25109156738, 50218313476, 62772891845, 125545783690, 251091567380]

約数ペア:

[(1, 251091567380), (2, 125545783690), (4, 62772891845), (5, 50218313476), (10, 25109156738), (20, 12554578369), (31, 8099727980), (62, 4049863990), (124, 2024931995), (155, 1619945596), (310, 809972798), (620, 404986399), (9941, 25258180), (19882, 12629090), (39764, 6314545), (40739, 6163420), (49705, 5051636), (81478, 3081710), (99410, 2525818), (162956, 1540855), (198820, 1262909), (203695, 1232684), (308171, 814780), (407390, 616342)]