845248430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{443}}^1\times {\mathrm{1129}}^1$

素因数の和:1605

約数の個数: 48

約数和(自身を含む): 1652665680

約数和(自身を除く): 807417250

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 443, 845, 886, 1129, 1690, 2215, 2258, 4430, 5645, 5759, 11290, 11518, 14677, 28795, 29354, 57590, 73385, 74867, 146770, 149734, 190801, 374335, 381602, 500147, 748670, 954005, 1000294, 1908010, 2500735, 5001470, 6501911, 13003822, 32509555, 65019110, 84524843, 169049686, 422624215, 845248430]

約数ペア:

[(1, 845248430), (2, 422624215), (5, 169049686), (10, 84524843), (13, 65019110), (26, 32509555), (65, 13003822), (130, 6501911), (169, 5001470), (338, 2500735), (443, 1908010), (845, 1000294), (886, 954005), (1129, 748670), (1690, 500147), (2215, 381602), (2258, 374335), (4430, 190801), (5645, 149734), (5759, 146770), (11290, 74867), (11518, 73385), (14677, 57590), (28795, 29354)]