894025900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{809}}^1$

素因数の和:1123

約数の個数: 72

約数和(自身を含む): 1995341040

約数和(自身を除く): 1101315140

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 257, 430, 514, 809, 860, 1028, 1075, 1285, 1618, 2150, 2570, 3236, 4045, 4300, 5140, 6425, 8090, 11051, 12850, 16180, 20225, 22102, 25700, 34787, 40450, 44204, 55255, 69574, 80900, 110510, 139148, 173935, 207913, 221020, 276275, 347870, 415826, 552550, 695740, 831652, 869675, 1039565, 1105100, 1739350, 2079130, 3478700, 4158260, 5197825, 8940259, 10395650, 17880518, 20791300, 35761036, 44701295, 89402590, 178805180, 223506475, 447012950, 894025900]

約数ペア:

[(1, 894025900), (2, 447012950), (4, 223506475), (5, 178805180), (10, 89402590), (20, 44701295), (25, 35761036), (43, 20791300), (50, 17880518), (86, 10395650), (100, 8940259), (172, 5197825), (215, 4158260), (257, 3478700), (430, 2079130), (514, 1739350), (809, 1105100), (860, 1039565), (1028, 869675), (1075, 831652), (1285, 695740), (1618, 552550), (2150, 415826), (2570, 347870), (3236, 276275), (4045, 221020), (4300, 207913), (5140, 173935), (6425, 139148), (8090, 110510), (11051, 80900), (12850, 69574), (16180, 55255), (20225, 44204), (22102, 40450), (25700, 34787)]