2115280400

素因数分解:

$2^4\times 5^2\times {\mathrm{2221}}^1\times {\mathrm{2381}}^1$

素因数の和:4620

約数の個数: 60

約数和(自身を含む): 5086384644

約数和(自身を除く): 2971104244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2221, 2381, 4442, 4762, 8884, 9524, 11105, 11905, 17768, 19048, 22210, 23810, 35536, 38096, 44420, 47620, 55525, 59525, 88840, 95240, 111050, 119050, 177680, 190480, 222100, 238100, 444200, 476200, 888400, 952400, 5288201, 10576402, 21152804, 26441005, 42305608, 52882010, 84611216, 105764020, 132205025, 211528040, 264410050, 423056080, 528820100, 1057640200, 2115280400]

約数ペア:

[(1, 2115280400), (2, 1057640200), (4, 528820100), (5, 423056080), (8, 264410050), (10, 211528040), (16, 132205025), (20, 105764020), (25, 84611216), (40, 52882010), (50, 42305608), (80, 26441005), (100, 21152804), (200, 10576402), (400, 5288201), (2221, 952400), (2381, 888400), (4442, 476200), (4762, 444200), (8884, 238100), (9524, 222100), (11105, 190480), (11905, 177680), (17768, 119050), (19048, 111050), (22210, 95240), (23810, 88840), (35536, 59525), (38096, 55525), (44420, 47620)]