214938100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1637}}^1$

素因数の和:1765

約数の個数: 72

約数和(自身を含む): 507576888

約数和(自身を除く): 292638788

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 101, 130, 202, 260, 325, 404, 505, 650, 1010, 1300, 1313, 1637, 2020, 2525, 2626, 3274, 5050, 5252, 6548, 6565, 8185, 10100, 13130, 16370, 21281, 26260, 32740, 32825, 40925, 42562, 65650, 81850, 85124, 106405, 131300, 163700, 165337, 212810, 330674, 425620, 532025, 661348, 826685, 1064050, 1653370, 2128100, 2149381, 3306740, 4133425, 4298762, 8266850, 8597524, 10746905, 16533700, 21493810, 42987620, 53734525, 107469050, 214938100]

約数ペア:

[(1, 214938100), (2, 107469050), (4, 53734525), (5, 42987620), (10, 21493810), (13, 16533700), (20, 10746905), (25, 8597524), (26, 8266850), (50, 4298762), (52, 4133425), (65, 3306740), (100, 2149381), (101, 2128100), (130, 1653370), (202, 1064050), (260, 826685), (325, 661348), (404, 532025), (505, 425620), (650, 330674), (1010, 212810), (1300, 165337), (1313, 163700), (1637, 131300), (2020, 106405), (2525, 85124), (2626, 81850), (3274, 65650), (5050, 42562), (5252, 40925), (6548, 32825), (6565, 32740), (8185, 26260), (10100, 21281), (13130, 16370)]