71313350

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:905

約数の個数: 48

約数和(自身を含む): 139209840

約数和(自身を除く): 67896490

約数列:

[1, 2, 5, 10, 25, 41, 43, 50, 82, 86, 205, 215, 410, 430, 809, 1025, 1075, 1618, 1763, 2050, 2150, 3526, 4045, 8090, 8815, 17630, 20225, 33169, 34787, 40450, 44075, 66338, 69574, 88150, 165845, 173935, 331690, 347870, 829225, 869675, 1426267, 1658450, 1739350, 2852534, 7131335, 14262670, 35656675, 71313350]

約数ペア:

[(1, 71313350), (2, 35656675), (5, 14262670), (10, 7131335), (25, 2852534), (41, 1739350), (43, 1658450), (50, 1426267), (82, 869675), (86, 829225), (205, 347870), (215, 331690), (410, 173935), (430, 165845), (809, 88150), (1025, 69574), (1075, 66338), (1618, 44075), (1763, 40450), (2050, 34787), (2150, 33169), (3526, 20225), (4045, 17630), (8090, 8815)]