253788290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{45893}}^1$

素因数の和:45986

約数の個数: 32

約数和(自身を含む): 528698880

約数和(自身を除く): 274910590

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 5530, 45893, 91786, 229465, 321251, 458930, 642502, 1606255, 3212510, 3625547, 7251094, 18127735, 25378829, 36255470, 50757658, 126894145, 253788290]

約数ペア:

[(1, 253788290), (2, 126894145), (5, 50757658), (7, 36255470), (10, 25378829), (14, 18127735), (35, 7251094), (70, 3625547), (79, 3212510), (158, 1606255), (395, 642502), (553, 458930), (790, 321251), (1106, 229465), (2765, 91786), (5530, 45893)]