211329620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{2087}}^1$

素因数の和:2240

約数の個数: 48

約数和(自身を含む): 456720768

約数和(自身を除く): 245391148

約数列:

[1, 2, 4, 5, 10, 20, 61, 83, 122, 166, 244, 305, 332, 415, 610, 830, 1220, 1660, 2087, 4174, 5063, 8348, 10126, 10435, 20252, 20870, 25315, 41740, 50630, 101260, 127307, 173221, 254614, 346442, 509228, 636535, 692884, 866105, 1273070, 1732210, 2546140, 3464420, 10566481, 21132962, 42265924, 52832405, 105664810, 211329620]

約数ペア:

[(1, 211329620), (2, 105664810), (4, 52832405), (5, 42265924), (10, 21132962), (20, 10566481), (61, 3464420), (83, 2546140), (122, 1732210), (166, 1273070), (244, 866105), (305, 692884), (332, 636535), (415, 509228), (610, 346442), (830, 254614), (1220, 173221), (1660, 127307), (2087, 101260), (4174, 50630), (5063, 41740), (8348, 25315), (10126, 20870), (10435, 20252)]