228445280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{203969}}^1$

素因数の和:203991

約数の個数: 48

約数和(自身を含む): 616805280

約数和(自身を除く): 388360000

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, 203969, 407938, 815876, 1019845, 1427783, 1631752, 2039690, 2855566, 3263504, 4079380, 5711132, 6527008, 7138915, 8158760, 11422264, 14277830, 16317520, 22844528, 28555660, 32635040, 45689056, 57111320, 114222640, 228445280]

約数ペア:

[(1, 228445280), (2, 114222640), (4, 57111320), (5, 45689056), (7, 32635040), (8, 28555660), (10, 22844528), (14, 16317520), (16, 14277830), (20, 11422264), (28, 8158760), (32, 7138915), (35, 6527008), (40, 5711132), (56, 4079380), (70, 3263504), (80, 2855566), (112, 2039690), (140, 1631752), (160, 1427783), (224, 1019845), (280, 815876), (560, 407938), (1120, 203969)]