166728940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{9091}}^1$

素因数の和:9238

約数の個数: 48

約数和(自身を含む): 403248384

約数和(自身を除く): 236519444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 4585, 9091, 9170, 18182, 18340, 36364, 45455, 63637, 90910, 127274, 181820, 254548, 318185, 636370, 1190921, 1272740, 2381842, 4763684, 5954605, 8336447, 11909210, 16672894, 23818420, 33345788, 41682235, 83364470, 166728940]

約数ペア:

[(1, 166728940), (2, 83364470), (4, 41682235), (5, 33345788), (7, 23818420), (10, 16672894), (14, 11909210), (20, 8336447), (28, 5954605), (35, 4763684), (70, 2381842), (131, 1272740), (140, 1190921), (262, 636370), (524, 318185), (655, 254548), (917, 181820), (1310, 127274), (1834, 90910), (2620, 63637), (3668, 45455), (4585, 36364), (9091, 18340), (9170, 18182)]