205622140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{2137}}^1$

素因数の和:2446

約数の個数: 48

約数和(自身を含む): 459037152

約数和(自身を除く): 253415012

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 283, 340, 566, 1132, 1415, 2137, 2830, 4274, 4811, 5660, 8548, 9622, 10685, 19244, 21370, 24055, 36329, 42740, 48110, 72658, 96220, 145316, 181645, 363290, 604771, 726580, 1209542, 2419084, 3023855, 6047710, 10281107, 12095420, 20562214, 41124428, 51405535, 102811070, 205622140]

約数ペア:

[(1, 205622140), (2, 102811070), (4, 51405535), (5, 41124428), (10, 20562214), (17, 12095420), (20, 10281107), (34, 6047710), (68, 3023855), (85, 2419084), (170, 1209542), (283, 726580), (340, 604771), (566, 363290), (1132, 181645), (1415, 145316), (2137, 96220), (2830, 72658), (4274, 48110), (4811, 42740), (5660, 36329), (8548, 24055), (9622, 21370), (10685, 19244)]