639522070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1163}}^1\times {\mathrm{4999}}^1$

素因数の和:6180

約数の個数: 32

約数和(自身を含む): 1257120000

約数和(自身を除く): 617597930

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1163, 2326, 4999, 5815, 9998, 11630, 12793, 24995, 25586, 49990, 54989, 63965, 109978, 127930, 274945, 549890, 5813837, 11627674, 29069185, 58138370, 63952207, 127904414, 319761035, 639522070]

約数ペア:

[(1, 639522070), (2, 319761035), (5, 127904414), (10, 63952207), (11, 58138370), (22, 29069185), (55, 11627674), (110, 5813837), (1163, 549890), (2326, 274945), (4999, 127930), (5815, 109978), (9998, 63965), (11630, 54989), (12793, 49990), (24995, 25586)]