254369920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{56779}}^1$

素因数の和:56805

約数の個数: 64

約数和(自身を含む): 694987200

約数和(自身を除く): 440617280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 56779, 113558, 227116, 283895, 397453, 454232, 567790, 794906, 908464, 1135580, 1589812, 1816928, 1987265, 2271160, 3179624, 3633856, 3974530, 4542320, 6359248, 7267712, 7949060, 9084640, 12718496, 15898120, 18169280, 25436992, 31796240, 36338560, 50873984, 63592480, 127184960, 254369920]

約数ペア:

[(1, 254369920), (2, 127184960), (4, 63592480), (5, 50873984), (7, 36338560), (8, 31796240), (10, 25436992), (14, 18169280), (16, 15898120), (20, 12718496), (28, 9084640), (32, 7949060), (35, 7267712), (40, 6359248), (56, 4542320), (64, 3974530), (70, 3633856), (80, 3179624), (112, 2271160), (128, 1987265), (140, 1816928), (160, 1589812), (224, 1135580), (280, 908464), (320, 794906), (448, 567790), (560, 454232), (640, 397453), (896, 283895), (1120, 227116), (2240, 113558), (4480, 56779)]