220101100

素因数分解:

$2^2\times 5^2\times {\mathrm{991}}^1\times {\mathrm{2221}}^1$

素因数の和:3226

約数の個数: 36

約数和(自身を含む): 478316608

約数和(自身を除く): 258215508

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 991, 1982, 2221, 3964, 4442, 4955, 8884, 9910, 11105, 19820, 22210, 24775, 44420, 49550, 55525, 99100, 111050, 222100, 2201011, 4402022, 8804044, 11005055, 22010110, 44020220, 55025275, 110050550, 220101100]

約数ペア:

[(1, 220101100), (2, 110050550), (4, 55025275), (5, 44020220), (10, 22010110), (20, 11005055), (25, 8804044), (50, 4402022), (100, 2201011), (991, 222100), (1982, 111050), (2221, 99100), (3964, 55525), (4442, 49550), (4955, 44420), (8884, 24775), (9910, 22210), (11105, 19820)]