157186820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{863}}^1\times {\mathrm{1301}}^1$

素因数の和:2180

約数の個数: 48

約数和(自身を含む): 377975808

約数和(自身を除く): 220788988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 863, 1301, 1726, 2602, 3452, 4315, 5204, 6041, 6505, 8630, 9107, 12082, 13010, 17260, 18214, 24164, 26020, 30205, 36428, 45535, 60410, 91070, 120820, 182140, 1122763, 2245526, 4491052, 5613815, 7859341, 11227630, 15718682, 22455260, 31437364, 39296705, 78593410, 157186820]

約数ペア:

[(1, 157186820), (2, 78593410), (4, 39296705), (5, 31437364), (7, 22455260), (10, 15718682), (14, 11227630), (20, 7859341), (28, 5613815), (35, 4491052), (70, 2245526), (140, 1122763), (863, 182140), (1301, 120820), (1726, 91070), (2602, 60410), (3452, 45535), (4315, 36428), (5204, 30205), (6041, 26020), (6505, 24164), (8630, 18214), (9107, 17260), (12082, 13010)]