11290940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 25576320

約数和(自身を除く): 14285380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 691, 817, 860, 1382, 1634, 2764, 3268, 3455, 4085, 6910, 8170, 13129, 13820, 16340, 26258, 29713, 52516, 59426, 65645, 118852, 131290, 148565, 262580, 297130, 564547, 594260, 1129094, 2258188, 2822735, 5645470, 11290940]

約数ペア:

[(1, 11290940), (2, 5645470), (4, 2822735), (5, 2258188), (10, 1129094), (19, 594260), (20, 564547), (38, 297130), (43, 262580), (76, 148565), (86, 131290), (95, 118852), (172, 65645), (190, 59426), (215, 52516), (380, 29713), (430, 26258), (691, 16340), (817, 13820), (860, 13129), (1382, 8170), (1634, 6910), (2764, 4085), (3268, 3455)]