242099720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{811}}^1$

素因数の和:1278

約数の個数: 64

約数和(自身を含む): 578793600

約数和(自身を除く): 336693880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 439, 680, 811, 878, 1622, 1756, 2195, 3244, 3512, 4055, 4390, 6488, 7463, 8110, 8780, 13787, 14926, 16220, 17560, 27574, 29852, 32440, 37315, 55148, 59704, 68935, 74630, 110296, 137870, 149260, 275740, 298520, 356029, 551480, 712058, 1424116, 1780145, 2848232, 3560290, 6052493, 7120580, 12104986, 14241160, 24209972, 30262465, 48419944, 60524930, 121049860, 242099720]

約数ペア:

[(1, 242099720), (2, 121049860), (4, 60524930), (5, 48419944), (8, 30262465), (10, 24209972), (17, 14241160), (20, 12104986), (34, 7120580), (40, 6052493), (68, 3560290), (85, 2848232), (136, 1780145), (170, 1424116), (340, 712058), (439, 551480), (680, 356029), (811, 298520), (878, 275740), (1622, 149260), (1756, 137870), (2195, 110296), (3244, 74630), (3512, 68935), (4055, 59704), (4390, 55148), (6488, 37315), (7463, 32440), (8110, 29852), (8780, 27574), (13787, 17560), (14926, 16220)]