489635440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{124907}}^1$

素因数の和:124934

約数の個数: 60

約数和(自身を含む): 1324274616

約数和(自身を除く): 834639176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 124907, 249814, 499628, 624535, 874349, 999256, 1249070, 1748698, 1998512, 2498140, 3497396, 4371745, 4996280, 6120443, 6994792, 8743490, 9992560, 12240886, 13989584, 17486980, 24481772, 30602215, 34973960, 48963544, 61204430, 69947920, 97927088, 122408860, 244817720, 489635440]

約数ペア:

[(1, 489635440), (2, 244817720), (4, 122408860), (5, 97927088), (7, 69947920), (8, 61204430), (10, 48963544), (14, 34973960), (16, 30602215), (20, 24481772), (28, 17486980), (35, 13989584), (40, 12240886), (49, 9992560), (56, 8743490), (70, 6994792), (80, 6120443), (98, 4996280), (112, 4371745), (140, 3497396), (196, 2498140), (245, 1998512), (280, 1748698), (392, 1249070), (490, 999256), (560, 874349), (784, 624535), (980, 499628), (1960, 249814), (3920, 124907)]