400386780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{741457}}^1$

素因数の和:741475

約数の個数: 48

約数和(自身を含む): 1245649440

約数和(自身を除く): 845262660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 741457, 1482914, 2224371, 2965828, 3707285, 4448742, 6673113, 7414570, 8897484, 11121855, 13346226, 14829140, 20019339, 22243710, 26692452, 33365565, 40038678, 44487420, 66731130, 80077356, 100096695, 133462260, 200193390, 400386780]

約数ペア:

[(1, 400386780), (2, 200193390), (3, 133462260), (4, 100096695), (5, 80077356), (6, 66731130), (9, 44487420), (10, 40038678), (12, 33365565), (15, 26692452), (18, 22243710), (20, 20019339), (27, 14829140), (30, 13346226), (36, 11121855), (45, 8897484), (54, 7414570), (60, 6673113), (90, 4448742), (108, 3707285), (135, 2965828), (180, 2224371), (270, 1482914), (540, 741457)]