210057980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{4999}}^1$

素因数の和:5210

約数の個数: 48

約数和(自身を含む): 483840000

約数和(自身を除く): 273782020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 191, 220, 382, 764, 955, 1910, 2101, 3820, 4202, 4999, 8404, 9998, 10505, 19996, 21010, 24995, 42020, 49990, 54989, 99980, 109978, 219956, 274945, 549890, 954809, 1099780, 1909618, 3819236, 4774045, 9548090, 10502899, 19096180, 21005798, 42011596, 52514495, 105028990, 210057980]

約数ペア:

[(1, 210057980), (2, 105028990), (4, 52514495), (5, 42011596), (10, 21005798), (11, 19096180), (20, 10502899), (22, 9548090), (44, 4774045), (55, 3819236), (110, 1909618), (191, 1099780), (220, 954809), (382, 549890), (764, 274945), (955, 219956), (1910, 109978), (2101, 99980), (3820, 54989), (4202, 49990), (4999, 42020), (8404, 24995), (9998, 21010), (10505, 19996)]