17970220

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 39019680

約数和(自身を除く): 21049460

約数列:

[1, 2, 4, 5, 10, 20, 59, 97, 118, 157, 194, 236, 295, 314, 388, 485, 590, 628, 785, 970, 1180, 1570, 1940, 3140, 5723, 9263, 11446, 15229, 18526, 22892, 28615, 30458, 37052, 46315, 57230, 60916, 76145, 92630, 114460, 152290, 185260, 304580, 898511, 1797022, 3594044, 4492555, 8985110, 17970220]

約数ペア:

[(1, 17970220), (2, 8985110), (4, 4492555), (5, 3594044), (10, 1797022), (20, 898511), (59, 304580), (97, 185260), (118, 152290), (157, 114460), (194, 92630), (236, 76145), (295, 60916), (314, 57230), (388, 46315), (485, 37052), (590, 30458), (628, 28615), (785, 22892), (970, 18526), (1180, 15229), (1570, 11446), (1940, 9263), (3140, 5723)]