495776840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{17989}}^1$

素因数の和:18066

約数の個数: 64

約数和(自身を含む): 1224039600

約数和(自身を除く): 728262760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2756, 3445, 5512, 6890, 13780, 17989, 27560, 35978, 71956, 89945, 143912, 179890, 233857, 359780, 467714, 719560, 935428, 953417, 1169285, 1870856, 1906834, 2338570, 3813668, 4677140, 4767085, 7627336, 9354280, 9534170, 12394421, 19068340, 24788842, 38136680, 49577684, 61972105, 99155368, 123944210, 247888420, 495776840]

約数ペア:

[(1, 495776840), (2, 247888420), (4, 123944210), (5, 99155368), (8, 61972105), (10, 49577684), (13, 38136680), (20, 24788842), (26, 19068340), (40, 12394421), (52, 9534170), (53, 9354280), (65, 7627336), (104, 4767085), (106, 4677140), (130, 3813668), (212, 2338570), (260, 1906834), (265, 1870856), (424, 1169285), (520, 953417), (530, 935428), (689, 719560), (1060, 467714), (1378, 359780), (2120, 233857), (2756, 179890), (3445, 143912), (5512, 89945), (6890, 71956), (13780, 35978), (17989, 27560)]