321489080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{10009}}^1$

素因数の和:10104

約数の個数: 64

約数和(自身を含む): 799999200

約数和(自身を除く): 478510120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 292, 365, 440, 584, 730, 803, 1460, 1606, 2920, 3212, 4015, 6424, 8030, 10009, 16060, 20018, 32120, 40036, 50045, 80072, 100090, 110099, 200180, 220198, 400360, 440396, 550495, 730657, 880792, 1100990, 1461314, 2201980, 2922628, 3653285, 4403960, 5845256, 7306570, 8037227, 14613140, 16074454, 29226280, 32148908, 40186135, 64297816, 80372270, 160744540, 321489080]

約数ペア:

[(1, 321489080), (2, 160744540), (4, 80372270), (5, 64297816), (8, 40186135), (10, 32148908), (11, 29226280), (20, 16074454), (22, 14613140), (40, 8037227), (44, 7306570), (55, 5845256), (73, 4403960), (88, 3653285), (110, 2922628), (146, 2201980), (220, 1461314), (292, 1100990), (365, 880792), (440, 730657), (584, 550495), (730, 440396), (803, 400360), (1460, 220198), (1606, 200180), (2920, 110099), (3212, 100090), (4015, 80072), (6424, 50045), (8030, 40036), (10009, 32120), (16060, 20018)]