401047130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{20143}}^1$

素因数の和:20342

約数の個数: 32

約数和(自身を含む): 791900928

約数和(自身を除く): 390853798

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181, 362, 905, 1810, 1991, 3982, 9955, 19910, 20143, 40286, 100715, 201430, 221573, 443146, 1107865, 2215730, 3645883, 7291766, 18229415, 36458830, 40104713, 80209426, 200523565, 401047130]

約数ペア:

[(1, 401047130), (2, 200523565), (5, 80209426), (10, 40104713), (11, 36458830), (22, 18229415), (55, 7291766), (110, 3645883), (181, 2215730), (362, 1107865), (905, 443146), (1810, 221573), (1991, 201430), (3982, 100715), (9955, 40286), (19910, 20143)]