2773240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:160

約数の個数: 64

約数和(自身を含む): 6804000

約数和(自身を除く): 4030760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 89, 95, 152, 164, 178, 190, 205, 328, 356, 380, 410, 445, 712, 760, 779, 820, 890, 1558, 1640, 1691, 1780, 3116, 3382, 3560, 3649, 3895, 6232, 6764, 7298, 7790, 8455, 13528, 14596, 15580, 16910, 18245, 29192, 31160, 33820, 36490, 67640, 69331, 72980, 138662, 145960, 277324, 346655, 554648, 693310, 1386620, 2773240]

約数ペア:

[(1, 2773240), (2, 1386620), (4, 693310), (5, 554648), (8, 346655), (10, 277324), (19, 145960), (20, 138662), (38, 72980), (40, 69331), (41, 67640), (76, 36490), (82, 33820), (89, 31160), (95, 29192), (152, 18245), (164, 16910), (178, 15580), (190, 14596), (205, 13528), (328, 8455), (356, 7790), (380, 7298), (410, 6764), (445, 6232), (712, 3895), (760, 3649), (779, 3560), (820, 3382), (890, 3116), (1558, 1780), (1640, 1691)]