240163280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{428863}}^1$

素因数の和:428883

約数の個数: 40

約数和(自身を含む): 638149632

約数和(自身を除く): 397986352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 428863, 857726, 1715452, 2144315, 3002041, 3430904, 4288630, 6004082, 6861808, 8577260, 12008164, 15010205, 17154520, 24016328, 30020410, 34309040, 48032656, 60040820, 120081640, 240163280]

約数ペア:

[(1, 240163280), (2, 120081640), (4, 60040820), (5, 48032656), (7, 34309040), (8, 30020410), (10, 24016328), (14, 17154520), (16, 15010205), (20, 12008164), (28, 8577260), (35, 6861808), (40, 6004082), (56, 4288630), (70, 3430904), (80, 3002041), (112, 2144315), (140, 1715452), (280, 857726), (560, 428863)]