505363240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{3739}}^1$

素因数の和:3890

約数の個数: 64

約数和(自身を含む): 1184832000

約数和(自身を除く): 679468760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 109, 124, 155, 218, 248, 310, 436, 545, 620, 872, 1090, 1240, 2180, 3379, 3739, 4360, 6758, 7478, 13516, 14956, 16895, 18695, 27032, 29912, 33790, 37390, 67580, 74780, 115909, 135160, 149560, 231818, 407551, 463636, 579545, 815102, 927272, 1159090, 1630204, 2037755, 2318180, 3260408, 4075510, 4636360, 8151020, 12634081, 16302040, 25268162, 50536324, 63170405, 101072648, 126340810, 252681620, 505363240]

約数ペア:

[(1, 505363240), (2, 252681620), (4, 126340810), (5, 101072648), (8, 63170405), (10, 50536324), (20, 25268162), (31, 16302040), (40, 12634081), (62, 8151020), (109, 4636360), (124, 4075510), (155, 3260408), (218, 2318180), (248, 2037755), (310, 1630204), (436, 1159090), (545, 927272), (620, 815102), (872, 579545), (1090, 463636), (1240, 407551), (2180, 231818), (3379, 149560), (3739, 135160), (4360, 115909), (6758, 74780), (7478, 67580), (13516, 37390), (14956, 33790), (16895, 29912), (18695, 27032)]