1220930255

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{317}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 1531284480

約数和(自身を除く): 310354225

約数列:

[1, 5, 37, 109, 185, 191, 317, 545, 955, 1585, 4033, 7067, 11729, 20165, 20819, 34553, 35335, 58645, 60547, 104095, 172765, 302735, 770303, 1278461, 2240239, 3851515, 6392305, 6599623, 11201195, 32998115, 244186051, 1220930255]

約数ペア:

[(1, 1220930255), (5, 244186051), (37, 32998115), (109, 11201195), (185, 6599623), (191, 6392305), (317, 3851515), (545, 2240239), (955, 1278461), (1585, 770303), (4033, 302735), (7067, 172765), (11729, 104095), (20165, 60547), (20819, 58645), (34553, 35335)]