28454530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:295

約数の個数: 48

約数和(自身を含む): 56327400

約数和(自身を除く): 27872870

約数列:

[1, 2, 5, 10, 13, 26, 65, 113, 130, 149, 169, 226, 298, 338, 565, 745, 845, 1130, 1469, 1490, 1690, 1937, 2938, 3874, 7345, 9685, 14690, 16837, 19097, 19370, 25181, 33674, 38194, 50362, 84185, 95485, 125905, 168370, 190970, 218881, 251810, 437762, 1094405, 2188810, 2845453, 5690906, 14227265, 28454530]

約数ペア:

[(1, 28454530), (2, 14227265), (5, 5690906), (10, 2845453), (13, 2188810), (26, 1094405), (65, 437762), (113, 251810), (130, 218881), (149, 190970), (169, 168370), (226, 125905), (298, 95485), (338, 84185), (565, 50362), (745, 38194), (845, 33674), (1130, 25181), (1469, 19370), (1490, 19097), (1690, 16837), (1937, 14690), (2938, 9685), (3874, 7345)]