1822340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 4243008

約数和(自身を除く): 2420668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 163, 172, 215, 260, 326, 430, 559, 652, 815, 860, 1118, 1630, 2119, 2236, 2795, 3260, 4238, 5590, 7009, 8476, 10595, 11180, 14018, 21190, 28036, 35045, 42380, 70090, 91117, 140180, 182234, 364468, 455585, 911170, 1822340]

約数ペア:

[(1, 1822340), (2, 911170), (4, 455585), (5, 364468), (10, 182234), (13, 140180), (20, 91117), (26, 70090), (43, 42380), (52, 35045), (65, 28036), (86, 21190), (130, 14018), (163, 11180), (172, 10595), (215, 8476), (260, 7009), (326, 5590), (430, 4238), (559, 3260), (652, 2795), (815, 2236), (860, 2119), (1118, 1630)]