221401900

素因数分解:

$2^2\times 5^2\times {\mathrm{449}}^1\times {\mathrm{4931}}^1$

素因数の和:5394

約数の個数: 36

約数和(自身を含む): 481609800

約数和(自身を除く): 260207900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 449, 898, 1796, 2245, 4490, 4931, 8980, 9862, 11225, 19724, 22450, 24655, 44900, 49310, 98620, 123275, 246550, 493100, 2214019, 4428038, 8856076, 11070095, 22140190, 44280380, 55350475, 110700950, 221401900]

約数ペア:

[(1, 221401900), (2, 110700950), (4, 55350475), (5, 44280380), (10, 22140190), (20, 11070095), (25, 8856076), (50, 4428038), (100, 2214019), (449, 493100), (898, 246550), (1796, 123275), (2245, 98620), (4490, 49310), (4931, 44900), (8980, 24655), (9862, 22450), (11225, 19724)]