814653980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{41863}}^1$

素因数の和:42018

約数の個数: 48

約数和(自身を含む): 1969282560

約数和(自身を除く): 1154628580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 9730, 19460, 41863, 83726, 167452, 209315, 293041, 418630, 586082, 837260, 1172164, 1465205, 2930410, 5818957, 5860820, 11637914, 23275828, 29094785, 40732699, 58189570, 81465398, 116379140, 162930796, 203663495, 407326990, 814653980]

約数ペア:

[(1, 814653980), (2, 407326990), (4, 203663495), (5, 162930796), (7, 116379140), (10, 81465398), (14, 58189570), (20, 40732699), (28, 29094785), (35, 23275828), (70, 11637914), (139, 5860820), (140, 5818957), (278, 2930410), (556, 1465205), (695, 1172164), (973, 837260), (1390, 586082), (1946, 418630), (2780, 293041), (3892, 209315), (4865, 167452), (9730, 83726), (19460, 41863)]