157994620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{613}}^1$

素因数の和:899

約数の個数: 72

約数和(自身を含む): 388057824

約数和(自身を除く): 230063204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 263, 490, 526, 613, 980, 1052, 1226, 1315, 1841, 2452, 2630, 3065, 3682, 4291, 5260, 6130, 7364, 8582, 9205, 12260, 12887, 17164, 18410, 21455, 25774, 30037, 36820, 42910, 51548, 60074, 64435, 85820, 120148, 128870, 150185, 161219, 257740, 300370, 322438, 600740, 644876, 806095, 1128533, 1612190, 2257066, 3224380, 4514132, 5642665, 7899731, 11285330, 15799462, 22570660, 31598924, 39498655, 78997310, 157994620]

約数ペア:

[(1, 157994620), (2, 78997310), (4, 39498655), (5, 31598924), (7, 22570660), (10, 15799462), (14, 11285330), (20, 7899731), (28, 5642665), (35, 4514132), (49, 3224380), (70, 2257066), (98, 1612190), (140, 1128533), (196, 806095), (245, 644876), (263, 600740), (490, 322438), (526, 300370), (613, 257740), (980, 161219), (1052, 150185), (1226, 128870), (1315, 120148), (1841, 85820), (2452, 64435), (2630, 60074), (3065, 51548), (3682, 42910), (4291, 36820), (5260, 30037), (6130, 25774), (7364, 21455), (8582, 18410), (9205, 17164), (12260, 12887)]