131035240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{977}}^1$

素因数の和:1474

約数の個数: 64

約数和(自身を含む): 337996800

約数和(自身を除く): 206961560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 479, 958, 977, 1916, 1954, 2395, 3353, 3832, 3908, 4790, 4885, 6706, 6839, 7816, 9580, 9770, 13412, 13678, 16765, 19160, 19540, 26824, 27356, 33530, 34195, 39080, 54712, 67060, 68390, 134120, 136780, 273560, 467983, 935966, 1871932, 2339915, 3275881, 3743864, 4679830, 6551762, 9359660, 13103524, 16379405, 18719320, 26207048, 32758810, 65517620, 131035240]

約数ペア:

[(1, 131035240), (2, 65517620), (4, 32758810), (5, 26207048), (7, 18719320), (8, 16379405), (10, 13103524), (14, 9359660), (20, 6551762), (28, 4679830), (35, 3743864), (40, 3275881), (56, 2339915), (70, 1871932), (140, 935966), (280, 467983), (479, 273560), (958, 136780), (977, 134120), (1916, 68390), (1954, 67060), (2395, 54712), (3353, 39080), (3832, 34195), (3908, 33530), (4790, 27356), (4885, 26824), (6706, 19540), (6839, 19160), (7816, 16765), (9580, 13678), (9770, 13412)]