278375930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{137131}}^1$

素因数の和:137174

約数の個数: 32

約数和(自身を含む): 592410240

約数和(自身を除く): 314034310

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 137131, 274262, 685655, 959917, 1371310, 1919834, 3976799, 4799585, 7953598, 9599170, 19883995, 27837593, 39767990, 55675186, 139187965, 278375930]

約数ペア:

[(1, 278375930), (2, 139187965), (5, 55675186), (7, 39767990), (10, 27837593), (14, 19883995), (29, 9599170), (35, 7953598), (58, 4799585), (70, 3976799), (145, 1919834), (203, 1371310), (290, 959917), (406, 685655), (1015, 274262), (2030, 137131)]