31090990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{593}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 65819952

約数和(自身を除く): 34728962

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 107, 214, 245, 490, 535, 593, 749, 1070, 1186, 1498, 2965, 3745, 4151, 5243, 5930, 7490, 8302, 10486, 20755, 26215, 29057, 41510, 52430, 58114, 63451, 126902, 145285, 290570, 317255, 444157, 634510, 888314, 2220785, 3109099, 4441570, 6218198, 15545495, 31090990]

約数ペア:

[(1, 31090990), (2, 15545495), (5, 6218198), (7, 4441570), (10, 3109099), (14, 2220785), (35, 888314), (49, 634510), (70, 444157), (98, 317255), (107, 290570), (214, 145285), (245, 126902), (490, 63451), (535, 58114), (593, 52430), (749, 41510), (1070, 29057), (1186, 26215), (1498, 20755), (2965, 10486), (3745, 8302), (4151, 7490), (5243, 5930)]