31293220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2089}}^1$

素因数の和:2212

約数の個数: 48

約数和(自身を含む): 75841920

約数和(自身を除く): 44548700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2089, 2140, 2996, 3745, 4178, 7490, 8356, 10445, 14623, 14980, 20890, 29246, 41780, 58492, 73115, 146230, 223523, 292460, 447046, 894092, 1117615, 1564661, 2235230, 3129322, 4470460, 6258644, 7823305, 15646610, 31293220]

約数ペア:

[(1, 31293220), (2, 15646610), (4, 7823305), (5, 6258644), (7, 4470460), (10, 3129322), (14, 2235230), (20, 1564661), (28, 1117615), (35, 894092), (70, 447046), (107, 292460), (140, 223523), (214, 146230), (428, 73115), (535, 58492), (749, 41780), (1070, 29246), (1498, 20890), (2089, 14980), (2140, 14623), (2996, 10445), (3745, 8356), (4178, 7490)]