404159840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{51551}}^1$

素因数の和:51580

約数の個数: 72

約数和(自身を含む): 1110739392

約数和(自身を除く): 706579552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 51551, 103102, 206204, 257755, 360857, 412408, 515510, 721714, 824816, 1031020, 1443428, 1649632, 1804285, 2062040, 2525999, 2886856, 3608570, 4124080, 5051998, 5773712, 7217140, 8248160, 10103996, 11547424, 12629995, 14434280, 20207992, 25259990, 28868560, 40415984, 50519980, 57737120, 80831968, 101039960, 202079920, 404159840]

約数ペア:

[(1, 404159840), (2, 202079920), (4, 101039960), (5, 80831968), (7, 57737120), (8, 50519980), (10, 40415984), (14, 28868560), (16, 25259990), (20, 20207992), (28, 14434280), (32, 12629995), (35, 11547424), (40, 10103996), (49, 8248160), (56, 7217140), (70, 5773712), (80, 5051998), (98, 4124080), (112, 3608570), (140, 2886856), (160, 2525999), (196, 2062040), (224, 1804285), (245, 1649632), (280, 1443428), (392, 1031020), (490, 824816), (560, 721714), (784, 515510), (980, 412408), (1120, 360857), (1568, 257755), (1960, 206204), (3920, 103102), (7840, 51551)]