901294390

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1103}}^1\times {\mathrm{1993}}^1$

素因数の和:3144

約数の個数: 32

約数和(自身を含む): 1664240256

約数和(自身を除く): 762945866

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1103, 1993, 2206, 3986, 5515, 9965, 11030, 19930, 45223, 81713, 90446, 163426, 226115, 408565, 452230, 817130, 2198279, 4396558, 10991395, 21982790, 90129439, 180258878, 450647195, 901294390]

約数ペア:

[(1, 901294390), (2, 450647195), (5, 180258878), (10, 90129439), (41, 21982790), (82, 10991395), (205, 4396558), (410, 2198279), (1103, 817130), (1993, 452230), (2206, 408565), (3986, 226115), (5515, 163426), (9965, 90446), (11030, 81713), (19930, 45223)]