255213280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{227869}}^1$

素因数の和:227891

約数の個数: 48

約数和(自身を含む): 689078880

約数和(自身を除く): 433865600

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, 227869, 455738, 911476, 1139345, 1595083, 1822952, 2278690, 3190166, 3645904, 4557380, 6380332, 7291808, 7975415, 9114760, 12760664, 15950830, 18229520, 25521328, 31901660, 36459040, 51042656, 63803320, 127606640, 255213280]

約数ペア:

[(1, 255213280), (2, 127606640), (4, 63803320), (5, 51042656), (7, 36459040), (8, 31901660), (10, 25521328), (14, 18229520), (16, 15950830), (20, 12760664), (28, 9114760), (32, 7975415), (35, 7291808), (40, 6380332), (56, 4557380), (70, 3645904), (80, 3190166), (112, 2278690), (140, 1822952), (160, 1595083), (224, 1139345), (280, 911476), (560, 455738), (1120, 227869)]