242457145

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2531}}^1$

素因数の和:2590

約数の個数: 48

約数和(自身を含む): 374087808

約数和(自身を除く): 131630663

約数列:

[1, 5, 7, 17, 23, 35, 49, 85, 115, 119, 161, 245, 391, 595, 805, 833, 1127, 1955, 2531, 2737, 4165, 5635, 12655, 13685, 17717, 19159, 43027, 58213, 88585, 95795, 124019, 215135, 291065, 301189, 407491, 620095, 989621, 1505945, 2037455, 2108323, 2852437, 4948105, 6927347, 10541615, 14262185, 34636735, 48491429, 242457145]

約数ペア:

[(1, 242457145), (5, 48491429), (7, 34636735), (17, 14262185), (23, 10541615), (35, 6927347), (49, 4948105), (85, 2852437), (115, 2108323), (119, 2037455), (161, 1505945), (245, 989621), (391, 620095), (595, 407491), (805, 301189), (833, 291065), (1127, 215135), (1955, 124019), (2531, 95795), (2737, 88585), (4165, 58213), (5635, 43027), (12655, 19159), (13685, 17717)]