291245260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{1787}}^1$

素因数の和:2106

約数の個数: 48

約数和(自身を含む): 635312160

約数和(自身を除く): 344066900

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 281, 290, 562, 580, 1124, 1405, 1787, 2810, 3574, 5620, 7148, 8149, 8935, 16298, 17870, 32596, 35740, 40745, 51823, 81490, 103646, 162980, 207292, 259115, 502147, 518230, 1004294, 1036460, 2008588, 2510735, 5021470, 10042940, 14562263, 29124526, 58249052, 72811315, 145622630, 291245260]

約数ペア:

[(1, 291245260), (2, 145622630), (4, 72811315), (5, 58249052), (10, 29124526), (20, 14562263), (29, 10042940), (58, 5021470), (116, 2510735), (145, 2008588), (281, 1036460), (290, 1004294), (562, 518230), (580, 502147), (1124, 259115), (1405, 207292), (1787, 162980), (2810, 103646), (3574, 81490), (5620, 51823), (7148, 40745), (8149, 35740), (8935, 32596), (16298, 17870)]