129203420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{14783}}^1$

素因数の和:14834

約数の個数: 48

約数和(自身を含む): 298045440

約数和(自身を除く): 168842020

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 14783, 29566, 59132, 73915, 147830, 280877, 295660, 340009, 561754, 680018, 1123508, 1360036, 1404385, 1700045, 2808770, 3400090, 5617540, 6460171, 6800180, 12920342, 25840684, 32300855, 64601710, 129203420]

約数ペア:

[(1, 129203420), (2, 64601710), (4, 32300855), (5, 25840684), (10, 12920342), (19, 6800180), (20, 6460171), (23, 5617540), (38, 3400090), (46, 2808770), (76, 1700045), (92, 1404385), (95, 1360036), (115, 1123508), (190, 680018), (230, 561754), (380, 340009), (437, 295660), (460, 280877), (874, 147830), (1748, 73915), (2185, 59132), (4370, 29566), (8740, 14783)]