87279940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:457

約数の個数: 96

約数和(自身を含む): 213663744

約数和(自身を除く): 126383804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 47, 55, 92, 94, 110, 115, 188, 220, 230, 235, 253, 367, 460, 470, 506, 517, 734, 940, 1012, 1034, 1081, 1265, 1468, 1835, 2068, 2162, 2530, 2585, 3670, 4037, 4324, 5060, 5170, 5405, 7340, 8074, 8441, 10340, 10810, 11891, 16148, 16882, 17249, 20185, 21620, 23782, 33764, 34498, 40370, 42205, 47564, 59455, 68996, 80740, 84410, 86245, 92851, 118910, 168820, 172490, 185702, 189739, 237820, 344980, 371404, 379478, 396727, 464255, 758956, 793454, 928510, 948695, 1586908, 1857020, 1897390, 1983635, 3794780, 3967270, 4363997, 7934540, 8727994, 17455988, 21819985, 43639970, 87279940]

約数ペア:

[(1, 87279940), (2, 43639970), (4, 21819985), (5, 17455988), (10, 8727994), (11, 7934540), (20, 4363997), (22, 3967270), (23, 3794780), (44, 1983635), (46, 1897390), (47, 1857020), (55, 1586908), (92, 948695), (94, 928510), (110, 793454), (115, 758956), (188, 464255), (220, 396727), (230, 379478), (235, 371404), (253, 344980), (367, 237820), (460, 189739), (470, 185702), (506, 172490), (517, 168820), (734, 118910), (940, 92851), (1012, 86245), (1034, 84410), (1081, 80740), (1265, 68996), (1468, 59455), (1835, 47564), (2068, 42205), (2162, 40370), (2530, 34498), (2585, 33764), (3670, 23782), (4037, 21620), (4324, 20185), (5060, 17249), (5170, 16882), (5405, 16148), (7340, 11891), (8074, 10810), (8441, 10340)]