897434260

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 1967830200

約数和(自身を除く): 1070395940

約数列:

[1, 2, 4, 5, 10, 20, 37, 73, 74, 146, 148, 185, 292, 365, 370, 449, 730, 740, 898, 1369, 1460, 1796, 2245, 2701, 2738, 4490, 5402, 5476, 6845, 8980, 10804, 13505, 13690, 16613, 27010, 27380, 32777, 33226, 54020, 65554, 66452, 83065, 99937, 131108, 163885, 166130, 199874, 327770, 332260, 399748, 499685, 614681, 655540, 999370, 1212749, 1229362, 1998740, 2425498, 2458724, 3073405, 4850996, 6063745, 6146810, 12127490, 12293620, 24254980, 44871713, 89743426, 179486852, 224358565, 448717130, 897434260]

約数ペア:

[(1, 897434260), (2, 448717130), (4, 224358565), (5, 179486852), (10, 89743426), (20, 44871713), (37, 24254980), (73, 12293620), (74, 12127490), (146, 6146810), (148, 6063745), (185, 4850996), (292, 3073405), (365, 2458724), (370, 2425498), (449, 1998740), (730, 1229362), (740, 1212749), (898, 999370), (1369, 655540), (1460, 614681), (1796, 499685), (2245, 399748), (2701, 332260), (2738, 327770), (4490, 199874), (5402, 166130), (5476, 163885), (6845, 131108), (8980, 99937), (10804, 83065), (13505, 66452), (13690, 65554), (16613, 54020), (27010, 33226), (27380, 32777)]