990097900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{900089}}^1$

素因数の和:900114

約数の個数: 36

約数和(自身を含む): 2343834360

約数和(自身を除く): 1353736460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 900089, 1800178, 3600356, 4500445, 9000890, 9900979, 18001780, 19801958, 22502225, 39603916, 45004450, 49504895, 90008900, 99009790, 198019580, 247524475, 495048950, 990097900]

約数ペア:

[(1, 990097900), (2, 495048950), (4, 247524475), (5, 198019580), (10, 99009790), (11, 90008900), (20, 49504895), (22, 45004450), (25, 39603916), (44, 22502225), (50, 19801958), (55, 18001780), (100, 9900979), (110, 9000890), (220, 4500445), (275, 3600356), (550, 1800178), (1100, 900089)]