857731390

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{691}}^1\times {\mathrm{1229}}^1$

素因数の和:2028

約数の個数: 32

約数和(自身を含む): 1562729760

約数和(自身を除く): 704998370

約数列:

[1, 2, 5, 10, 101, 202, 505, 691, 1010, 1229, 1382, 2458, 3455, 6145, 6910, 12290, 69791, 124129, 139582, 248258, 348955, 620645, 697910, 849239, 1241290, 1698478, 4246195, 8492390, 85773139, 171546278, 428865695, 857731390]

約数ペア:

[(1, 857731390), (2, 428865695), (5, 171546278), (10, 85773139), (101, 8492390), (202, 4246195), (505, 1698478), (691, 1241290), (1010, 849239), (1229, 697910), (1382, 620645), (2458, 348955), (3455, 248258), (6145, 139582), (6910, 124129), (12290, 69791)]