217966580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{27043}}^1$

素因数の和:27096

約数の個数: 48

約数和(自身を含む): 508859904

約数和(自身を除く): 290893324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 27043, 54086, 108172, 135215, 270430, 351559, 540860, 703118, 838333, 1406236, 1676666, 1757795, 3353332, 3515590, 4191665, 7031180, 8383330, 10898329, 16766660, 21796658, 43593316, 54491645, 108983290, 217966580]

約数ペア:

[(1, 217966580), (2, 108983290), (4, 54491645), (5, 43593316), (10, 21796658), (13, 16766660), (20, 10898329), (26, 8383330), (31, 7031180), (52, 4191665), (62, 3515590), (65, 3353332), (124, 1757795), (130, 1676666), (155, 1406236), (260, 838333), (310, 703118), (403, 540860), (620, 351559), (806, 270430), (1612, 135215), (2015, 108172), (4030, 54086), (8060, 27043)]