253413985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 358084800

約数和(自身を除く): 104670815

約数列:

[1, 5, 11, 17, 55, 85, 107, 149, 187, 289, 535, 745, 935, 1177, 1445, 1639, 1819, 2533, 3179, 5885, 8195, 9095, 12665, 15895, 15943, 20009, 27863, 30923, 43061, 79715, 100045, 139315, 154615, 175373, 215305, 271031, 340153, 473671, 876865, 1355155, 1700765, 2368355, 2981341, 4607527, 14906705, 23037635, 50682797, 253413985]

約数ペア:

[(1, 253413985), (5, 50682797), (11, 23037635), (17, 14906705), (55, 4607527), (85, 2981341), (107, 2368355), (149, 1700765), (187, 1355155), (289, 876865), (535, 473671), (745, 340153), (935, 271031), (1177, 215305), (1445, 175373), (1639, 154615), (1819, 139315), (2533, 100045), (3179, 79715), (5885, 43061), (8195, 30923), (9095, 27863), (12665, 20009), (15895, 15943)]