28305530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:335

約数の個数: 48

約数和(自身を含む): 56737800

約数和(自身を除く): 28432270

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 149, 157, 242, 298, 314, 605, 745, 785, 1210, 1490, 1570, 1639, 1727, 3278, 3454, 8195, 8635, 16390, 17270, 18029, 18997, 23393, 36058, 37994, 46786, 90145, 94985, 116965, 180290, 189970, 233930, 257323, 514646, 1286615, 2573230, 2830553, 5661106, 14152765, 28305530]

約数ペア:

[(1, 28305530), (2, 14152765), (5, 5661106), (10, 2830553), (11, 2573230), (22, 1286615), (55, 514646), (110, 257323), (121, 233930), (149, 189970), (157, 180290), (242, 116965), (298, 94985), (314, 90145), (605, 46786), (745, 37994), (785, 36058), (1210, 23393), (1490, 18997), (1570, 18029), (1639, 17270), (1727, 16390), (3278, 8635), (3454, 8195)]