239867880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{285557}}^1$

素因数の和:285578

約数の個数: 64

約数和(自身を含む): 822407040

約数和(自身を除く): 582539160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 285557, 571114, 856671, 1142228, 1427785, 1713342, 1998899, 2284456, 2855570, 3426684, 3997798, 4283355, 5711140, 5996697, 6853368, 7995596, 8566710, 9994495, 11422280, 11993394, 15991192, 17133420, 19988990, 23986788, 29983485, 34266840, 39977980, 47973576, 59966970, 79955960, 119933940, 239867880]

約数ペア:

[(1, 239867880), (2, 119933940), (3, 79955960), (4, 59966970), (5, 47973576), (6, 39977980), (7, 34266840), (8, 29983485), (10, 23986788), (12, 19988990), (14, 17133420), (15, 15991192), (20, 11993394), (21, 11422280), (24, 9994495), (28, 8566710), (30, 7995596), (35, 6853368), (40, 5996697), (42, 5711140), (56, 4283355), (60, 3997798), (70, 3426684), (84, 2855570), (105, 2284456), (120, 1998899), (140, 1713342), (168, 1427785), (210, 1142228), (280, 856671), (420, 571114), (840, 285557)]