28245875140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{479231}}^1$

素因数の和:479668

約数の個数: 48

約数和(自身を含む): 67951263744

約数和(自身を除く): 39705388604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 842, 1684, 2105, 2947, 4210, 5894, 8420, 11788, 14735, 29470, 58940, 479231, 958462, 1916924, 2396155, 3354617, 4792310, 6709234, 9584620, 13418468, 16773085, 33546170, 67092340, 201756251, 403512502, 807025004, 1008781255, 1412293757, 2017562510, 2824587514, 4035125020, 5649175028, 7061468785, 14122937570, 28245875140]

約数ペア:

[(1, 28245875140), (2, 14122937570), (4, 7061468785), (5, 5649175028), (7, 4035125020), (10, 2824587514), (14, 2017562510), (20, 1412293757), (28, 1008781255), (35, 807025004), (70, 403512502), (140, 201756251), (421, 67092340), (842, 33546170), (1684, 16773085), (2105, 13418468), (2947, 9584620), (4210, 6709234), (5894, 4792310), (8420, 3354617), (11788, 2396155), (14735, 1916924), (29470, 958462), (58940, 479231)]