201771340

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{617}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 431700192

約数和(自身を除く): 229928852

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 197, 332, 394, 415, 617, 788, 830, 985, 1234, 1660, 1970, 2468, 3085, 3940, 6170, 12340, 16351, 32702, 51211, 65404, 81755, 102422, 121549, 163510, 204844, 243098, 256055, 327020, 486196, 512110, 607745, 1024220, 1215490, 2430980, 10088567, 20177134, 40354268, 50442835, 100885670, 201771340]

約数ペア:

[(1, 201771340), (2, 100885670), (4, 50442835), (5, 40354268), (10, 20177134), (20, 10088567), (83, 2430980), (166, 1215490), (197, 1024220), (332, 607745), (394, 512110), (415, 486196), (617, 327020), (788, 256055), (830, 243098), (985, 204844), (1234, 163510), (1660, 121549), (1970, 102422), (2468, 81755), (3085, 65404), (3940, 51211), (6170, 32702), (12340, 16351)]