4919003860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{133451}}^1$

素因数の和:133576

約数の個数: 48

約数和(自身を含む): 10985768640

約数和(自身を除く): 6066764780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 970, 1843, 1940, 3686, 7372, 9215, 18430, 36860, 133451, 266902, 533804, 667255, 1334510, 2535569, 2669020, 5071138, 10142276, 12677845, 12944747, 25355690, 25889494, 50711380, 51778988, 64723735, 129447470, 245950193, 258894940, 491900386, 983800772, 1229750965, 2459501930, 4919003860]

約数ペア:

[(1, 4919003860), (2, 2459501930), (4, 1229750965), (5, 983800772), (10, 491900386), (19, 258894940), (20, 245950193), (38, 129447470), (76, 64723735), (95, 51778988), (97, 50711380), (190, 25889494), (194, 25355690), (380, 12944747), (388, 12677845), (485, 10142276), (970, 5071138), (1843, 2669020), (1940, 2535569), (3686, 1334510), (7372, 667255), (9215, 533804), (18430, 266902), (36860, 133451)]