1221008900

素因数分解:

$2^2\times 5^2\times {\mathrm{1373}}^1\times {\mathrm{8893}}^1$

素因数の和:10280

約数の個数: 36

約数和(自身を含む): 2651817252

約数和(自身を除く): 1430808352

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1373, 2746, 5492, 6865, 8893, 13730, 17786, 27460, 34325, 35572, 44465, 68650, 88930, 137300, 177860, 222325, 444650, 889300, 12210089, 24420178, 48840356, 61050445, 122100890, 244201780, 305252225, 610504450, 1221008900]

約数ペア:

[(1, 1221008900), (2, 610504450), (4, 305252225), (5, 244201780), (10, 122100890), (20, 61050445), (25, 48840356), (50, 24420178), (100, 12210089), (1373, 889300), (2746, 444650), (5492, 222325), (6865, 177860), (8893, 137300), (13730, 88930), (17786, 68650), (27460, 44465), (34325, 35572)]