208420850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{22291}}^1$

素因数の和:22331

約数の個数: 48

約数和(自身を含む): 447801696

約数和(自身を除く): 239380846

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 85, 110, 170, 187, 275, 374, 425, 550, 850, 935, 1870, 4675, 9350, 22291, 44582, 111455, 222910, 245201, 378947, 490402, 557275, 757894, 1114550, 1226005, 1894735, 2452010, 3789470, 4168417, 6130025, 8336834, 9473675, 12260050, 18947350, 20842085, 41684170, 104210425, 208420850]

約数ペア:

[(1, 208420850), (2, 104210425), (5, 41684170), (10, 20842085), (11, 18947350), (17, 12260050), (22, 9473675), (25, 8336834), (34, 6130025), (50, 4168417), (55, 3789470), (85, 2452010), (110, 1894735), (170, 1226005), (187, 1114550), (275, 757894), (374, 557275), (425, 490402), (550, 378947), (850, 245201), (935, 222910), (1870, 111455), (4675, 44582), (9350, 22291)]