438760390

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1\times {\mathrm{1951}}^1$

素因数の和:2524

約数の個数: 32

約数和(自身を含む): 810095616

約数和(自身を除く): 371335226

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 523, 1046, 1951, 2615, 3902, 5230, 9755, 19510, 22489, 44978, 83893, 112445, 167786, 224890, 419465, 838930, 1020373, 2040746, 5101865, 10203730, 43876039, 87752078, 219380195, 438760390]

約数ペア:

[(1, 438760390), (2, 219380195), (5, 87752078), (10, 43876039), (43, 10203730), (86, 5101865), (215, 2040746), (430, 1020373), (523, 838930), (1046, 419465), (1951, 224890), (2615, 167786), (3902, 112445), (5230, 83893), (9755, 44978), (19510, 22489)]