229721860

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1\times {\mathrm{631}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 490533120

約数和(自身を除く): 260811260

約数列:

[1, 2, 4, 5, 10, 20, 109, 167, 218, 334, 436, 545, 631, 668, 835, 1090, 1262, 1670, 2180, 2524, 3155, 3340, 6310, 12620, 18203, 36406, 68779, 72812, 91015, 105377, 137558, 182030, 210754, 275116, 343895, 364060, 421508, 526885, 687790, 1053770, 1375580, 2107540, 11486093, 22972186, 45944372, 57430465, 114860930, 229721860]

約数ペア:

[(1, 229721860), (2, 114860930), (4, 57430465), (5, 45944372), (10, 22972186), (20, 11486093), (109, 2107540), (167, 1375580), (218, 1053770), (334, 687790), (436, 526885), (545, 421508), (631, 364060), (668, 343895), (835, 275116), (1090, 210754), (1262, 182030), (1670, 137558), (2180, 105377), (2524, 91015), (3155, 72812), (3340, 68779), (6310, 36406), (12620, 18203)]