220419920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12697}}^1$

素因数の和:12748

約数の個数: 80

約数和(自身を含む): 604627968

約数和(自身を除く): 384208048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 12697, 17360, 25394, 50788, 63485, 88879, 101576, 126970, 177758, 203152, 253940, 355516, 393607, 444395, 507880, 711032, 787214, 888790, 1015760, 1422064, 1574428, 1777580, 1968035, 2755249, 3148856, 3555160, 3936070, 5510498, 6297712, 7110320, 7872140, 11020996, 13776245, 15744280, 22041992, 27552490, 31488560, 44083984, 55104980, 110209960, 220419920]

約数ペア:

[(1, 220419920), (2, 110209960), (4, 55104980), (5, 44083984), (7, 31488560), (8, 27552490), (10, 22041992), (14, 15744280), (16, 13776245), (20, 11020996), (28, 7872140), (31, 7110320), (35, 6297712), (40, 5510498), (56, 3936070), (62, 3555160), (70, 3148856), (80, 2755249), (112, 1968035), (124, 1777580), (140, 1574428), (155, 1422064), (217, 1015760), (248, 888790), (280, 787214), (310, 711032), (434, 507880), (496, 444395), (560, 393607), (620, 355516), (868, 253940), (1085, 203152), (1240, 177758), (1736, 126970), (2170, 101576), (2480, 88879), (3472, 63485), (4340, 50788), (8680, 25394), (12697, 17360)]