487788980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{26597}}^1$

素因数の和:26744

約数の個数: 48

約数和(自身を含む): 1179674496

約数和(自身を除く): 691885516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4585, 9170, 18340, 26597, 53194, 106388, 132985, 186179, 265970, 372358, 531940, 744716, 930895, 1861790, 3484207, 3723580, 6968414, 13936828, 17421035, 24389449, 34842070, 48778898, 69684140, 97557796, 121947245, 243894490, 487788980]

約数ペア:

[(1, 487788980), (2, 243894490), (4, 121947245), (5, 97557796), (7, 69684140), (10, 48778898), (14, 34842070), (20, 24389449), (28, 17421035), (35, 13936828), (70, 6968414), (131, 3723580), (140, 3484207), (262, 1861790), (524, 930895), (655, 744716), (917, 531940), (1310, 372358), (1834, 265970), (2620, 186179), (3668, 132985), (4585, 106388), (9170, 53194), (18340, 26597)]