220185785

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{67}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 303689088

約数和(自身を除く): 83503303

約数列:

[1, 5, 17, 23, 41, 67, 85, 115, 205, 335, 391, 697, 943, 1139, 1541, 1681, 1955, 2747, 3485, 4715, 5695, 7705, 8405, 13735, 16031, 26197, 28577, 38663, 46699, 63181, 80155, 112627, 130985, 142885, 193315, 233495, 315905, 563135, 657271, 1074077, 1914659, 2590421, 3286355, 5370385, 9573295, 12952105, 44037157, 220185785]

約数ペア:

[(1, 220185785), (5, 44037157), (17, 12952105), (23, 9573295), (41, 5370385), (67, 3286355), (85, 2590421), (115, 1914659), (205, 1074077), (335, 657271), (391, 563135), (697, 315905), (943, 233495), (1139, 193315), (1541, 142885), (1681, 130985), (1955, 112627), (2747, 80155), (3485, 63181), (4715, 46699), (5695, 38663), (7705, 28577), (8405, 26197), (13735, 16031)]