156728740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{9907}}^1$

素因数の和:10036

約数の個数: 48

約数和(自身を含む): 379516032

約数和(自身を除く): 222787292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 2260, 3164, 3955, 7910, 9907, 15820, 19814, 39628, 49535, 69349, 99070, 138698, 198140, 277396, 346745, 693490, 1119491, 1386980, 2238982, 4477964, 5597455, 7836437, 11194910, 15672874, 22389820, 31345748, 39182185, 78364370, 156728740]

約数ペア:

[(1, 156728740), (2, 78364370), (4, 39182185), (5, 31345748), (7, 22389820), (10, 15672874), (14, 11194910), (20, 7836437), (28, 5597455), (35, 4477964), (70, 2238982), (113, 1386980), (140, 1119491), (226, 693490), (452, 346745), (565, 277396), (791, 198140), (1130, 138698), (1582, 99070), (2260, 69349), (3164, 49535), (3955, 39628), (7910, 19814), (9907, 15820)]