220160315

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 290088000

約数和(自身を除く): 69927685

約数列:

[1, 5, 19, 29, 95, 145, 157, 509, 551, 785, 2545, 2755, 2983, 4553, 9671, 14761, 14915, 22765, 48355, 73805, 79913, 86507, 280459, 399565, 432535, 1402295, 1518347, 2317477, 7591735, 11587385, 44032063, 220160315]

約数ペア:

[(1, 220160315), (5, 44032063), (19, 11587385), (29, 7591735), (95, 2317477), (145, 1518347), (157, 1402295), (509, 432535), (551, 399565), (785, 280459), (2545, 86507), (2755, 79913), (2983, 73805), (4553, 48355), (9671, 22765), (14761, 14915)]