2812767340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{8971}}^1$

素因数の和:9298

約数の個数: 48

約数和(自身を含む): 6027676704

約数和(自身を除く): 3214909364

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 257, 305, 514, 610, 1028, 1220, 1285, 2570, 5140, 8971, 15677, 17942, 31354, 35884, 44855, 62708, 78385, 89710, 156770, 179420, 313540, 547231, 1094462, 2188924, 2305547, 2736155, 4611094, 5472310, 9222188, 10944620, 11527735, 23055470, 46110940, 140638367, 281276734, 562553468, 703191835, 1406383670, 2812767340]

約数ペア:

[(1, 2812767340), (2, 1406383670), (4, 703191835), (5, 562553468), (10, 281276734), (20, 140638367), (61, 46110940), (122, 23055470), (244, 11527735), (257, 10944620), (305, 9222188), (514, 5472310), (610, 4611094), (1028, 2736155), (1220, 2305547), (1285, 2188924), (2570, 1094462), (5140, 547231), (8971, 313540), (15677, 179420), (17942, 156770), (31354, 89710), (35884, 78385), (44855, 62708)]