1298454920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{662477}}^1$

素因数の和:662502

約数の個数: 48

約数和(自身を含む): 3398512140

約数和(自身を除く): 2100057220

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 662477, 1324954, 2649908, 3312385, 4637339, 5299816, 6624770, 9274678, 13249540, 18549356, 23186695, 26499080, 32461373, 37098712, 46373390, 64922746, 92746780, 129845492, 162306865, 185493560, 259690984, 324613730, 649227460, 1298454920]

約数ペア:

[(1, 1298454920), (2, 649227460), (4, 324613730), (5, 259690984), (7, 185493560), (8, 162306865), (10, 129845492), (14, 92746780), (20, 64922746), (28, 46373390), (35, 37098712), (40, 32461373), (49, 26499080), (56, 23186695), (70, 18549356), (98, 13249540), (140, 9274678), (196, 6624770), (245, 5299816), (280, 4637339), (392, 3312385), (490, 2649908), (980, 1324954), (1960, 662477)]