90228400

素因数分解:

$2^4\times 5^2\times {\mathrm{191}}^1\times {\mathrm{1181}}^1$

素因数の和:1390

約数の個数: 60

約数和(自身を含む): 218093184

約数和(自身を除く): 127864784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 191, 200, 382, 400, 764, 955, 1181, 1528, 1910, 2362, 3056, 3820, 4724, 4775, 5905, 7640, 9448, 9550, 11810, 15280, 18896, 19100, 23620, 29525, 38200, 47240, 59050, 76400, 94480, 118100, 225571, 236200, 451142, 472400, 902284, 1127855, 1804568, 2255710, 3609136, 4511420, 5639275, 9022840, 11278550, 18045680, 22557100, 45114200, 90228400]

約数ペア:

[(1, 90228400), (2, 45114200), (4, 22557100), (5, 18045680), (8, 11278550), (10, 9022840), (16, 5639275), (20, 4511420), (25, 3609136), (40, 2255710), (50, 1804568), (80, 1127855), (100, 902284), (191, 472400), (200, 451142), (382, 236200), (400, 225571), (764, 118100), (955, 94480), (1181, 76400), (1528, 59050), (1910, 47240), (2362, 38200), (3056, 29525), (3820, 23620), (4724, 19100), (4775, 18896), (5905, 15280), (7640, 11810), (9448, 9550)]