279583420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{10487}}^1$

素因数の和:10570

約数の個数: 48

約数和(自身を含む): 620218368

約数和(自身を除く): 340634948

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 1333, 2666, 5332, 6665, 10487, 13330, 20974, 26660, 41948, 52435, 104870, 209740, 325097, 450941, 650194, 901882, 1300388, 1625485, 1803764, 2254705, 3250970, 4509410, 6501940, 9018820, 13979171, 27958342, 55916684, 69895855, 139791710, 279583420]

約数ペア:

[(1, 279583420), (2, 139791710), (4, 69895855), (5, 55916684), (10, 27958342), (20, 13979171), (31, 9018820), (43, 6501940), (62, 4509410), (86, 3250970), (124, 2254705), (155, 1803764), (172, 1625485), (215, 1300388), (310, 901882), (430, 650194), (620, 450941), (860, 325097), (1333, 209740), (2666, 104870), (5332, 52435), (6665, 41948), (10487, 26660), (13330, 20974)]