77481380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{593}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 167650560

約数和(自身を除く): 90169180

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 139, 188, 235, 278, 470, 556, 593, 695, 940, 1186, 1390, 2372, 2780, 2965, 5930, 6533, 11860, 13066, 26132, 27871, 32665, 55742, 65330, 82427, 111484, 130660, 139355, 164854, 278710, 329708, 412135, 557420, 824270, 1648540, 3874069, 7748138, 15496276, 19370345, 38740690, 77481380]

約数ペア:

[(1, 77481380), (2, 38740690), (4, 19370345), (5, 15496276), (10, 7748138), (20, 3874069), (47, 1648540), (94, 824270), (139, 557420), (188, 412135), (235, 329708), (278, 278710), (470, 164854), (556, 139355), (593, 130660), (695, 111484), (940, 82427), (1186, 65330), (1390, 55742), (2372, 32665), (2780, 27871), (2965, 26132), (5930, 13066), (6533, 11860)]