940001780

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1\times {\mathrm{2677}}^1$

素因数の和:2964

約数の個数: 48

約数和(自身を含む): 2006121936

約数和(自身を除く): 1066120156

約数列:

[1, 2, 4, 5, 10, 20, 97, 181, 194, 362, 388, 485, 724, 905, 970, 1810, 1940, 2677, 3620, 5354, 10708, 13385, 17557, 26770, 35114, 53540, 70228, 87785, 175570, 259669, 351140, 484537, 519338, 969074, 1038676, 1298345, 1938148, 2422685, 2596690, 4845370, 5193380, 9690740, 47000089, 94000178, 188000356, 235000445, 470000890, 940001780]

約数ペア:

[(1, 940001780), (2, 470000890), (4, 235000445), (5, 188000356), (10, 94000178), (20, 47000089), (97, 9690740), (181, 5193380), (194, 4845370), (362, 2596690), (388, 2422685), (485, 1938148), (724, 1298345), (905, 1038676), (970, 969074), (1810, 519338), (1940, 484537), (2677, 351140), (3620, 259669), (5354, 175570), (10708, 87785), (13385, 70228), (17557, 53540), (26770, 35114)]