90280100

素因数分解:

$2^2\times 5^2\times {\mathrm{911}}^1\times {\mathrm{991}}^1$

素因数の和:1916

約数の個数: 36

約数和(自身を含む): 196320768

約数和(自身を除く): 106040668

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 911, 991, 1822, 1982, 3644, 3964, 4555, 4955, 9110, 9910, 18220, 19820, 22775, 24775, 45550, 49550, 91100, 99100, 902801, 1805602, 3611204, 4514005, 9028010, 18056020, 22570025, 45140050, 90280100]

約数ペア:

[(1, 90280100), (2, 45140050), (4, 22570025), (5, 18056020), (10, 9028010), (20, 4514005), (25, 3611204), (50, 1805602), (100, 902801), (911, 99100), (991, 91100), (1822, 49550), (1982, 45550), (3644, 24775), (3964, 22775), (4555, 19820), (4955, 18220), (9110, 9910)]