156789387980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{674131}}^1$

素因数の和:674570

約数の個数: 48

約数和(自身を含む): 341461340640

約数和(自身を除く): 184671952660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 401, 580, 802, 1604, 2005, 4010, 8020, 11629, 23258, 46516, 58145, 116290, 232580, 674131, 1348262, 2696524, 3370655, 6741310, 13482620, 19549799, 39099598, 78199196, 97748995, 195497990, 270326531, 390995980, 540653062, 1081306124, 1351632655, 2703265310, 5406530620, 7839469399, 15678938798, 31357877596, 39197346995, 78394693990, 156789387980]

約数ペア:

[(1, 156789387980), (2, 78394693990), (4, 39197346995), (5, 31357877596), (10, 15678938798), (20, 7839469399), (29, 5406530620), (58, 2703265310), (116, 1351632655), (145, 1081306124), (290, 540653062), (401, 390995980), (580, 270326531), (802, 195497990), (1604, 97748995), (2005, 78199196), (4010, 39099598), (8020, 19549799), (11629, 13482620), (23258, 6741310), (46516, 3370655), (58145, 2696524), (116290, 1348262), (232580, 674131)]