251965280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{224969}}^1$

素因数の和:224991

約数の個数: 48

約数和(自身を含む): 680309280

約数和(自身を除く): 428344000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 224969, 449938, 899876, 1124845, 1574783, 1799752, 2249690, 3149566, 3599504, 4499380, 6299132, 7199008, 7873915, 8998760, 12598264, 15747830, 17997520, 25196528, 31495660, 35995040, 50393056, 62991320, 125982640, 251965280]

約数ペア:

[(1, 251965280), (2, 125982640), (4, 62991320), (5, 50393056), (7, 35995040), (8, 31495660), (10, 25196528), (14, 17997520), (16, 15747830), (20, 12598264), (28, 8998760), (32, 7873915), (35, 7199008), (40, 6299132), (56, 4499380), (70, 3599504), (80, 3149566), (112, 2249690), (140, 1799752), (160, 1574783), (224, 1124845), (280, 899876), (560, 449938), (1120, 224969)]