201217780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{5531}}^1$

素因数の和:5664

約数の個数: 48

約数和(自身を含む): 451676736

約数和(自身を除く): 250458956

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 214, 340, 428, 535, 1070, 1819, 2140, 3638, 5531, 7276, 9095, 11062, 18190, 22124, 27655, 36380, 55310, 94027, 110620, 188054, 376108, 470135, 591817, 940270, 1183634, 1880540, 2367268, 2959085, 5918170, 10060889, 11836340, 20121778, 40243556, 50304445, 100608890, 201217780]

約数ペア:

[(1, 201217780), (2, 100608890), (4, 50304445), (5, 40243556), (10, 20121778), (17, 11836340), (20, 10060889), (34, 5918170), (68, 2959085), (85, 2367268), (107, 1880540), (170, 1183634), (214, 940270), (340, 591817), (428, 470135), (535, 376108), (1070, 188054), (1819, 110620), (2140, 94027), (3638, 55310), (5531, 36380), (7276, 27655), (9095, 22124), (11062, 18190)]