2021981060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{399601}}^1$

素因数の和:399644

約数の個数: 48

約数和(自身を含む): 4833585792

約数和(自身を除く): 2811604732

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 399601, 799202, 1598404, 1998005, 3996010, 4395611, 7992020, 8791222, 9190823, 17582444, 18381646, 21978055, 36763292, 43956110, 45954115, 87912220, 91908230, 101099053, 183816460, 202198106, 404396212, 505495265, 1010990530, 2021981060]

約数ペア:

[(1, 2021981060), (2, 1010990530), (4, 505495265), (5, 404396212), (10, 202198106), (11, 183816460), (20, 101099053), (22, 91908230), (23, 87912220), (44, 45954115), (46, 43956110), (55, 36763292), (92, 21978055), (110, 18381646), (115, 17582444), (220, 9190823), (230, 8791222), (253, 7992020), (460, 4395611), (506, 3996010), (1012, 1998005), (1265, 1598404), (2530, 799202), (5060, 399601)]