291428980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{1303}}^1$

素因数の和:1576

約数の個数: 48

約数和(自身を含む): 626984064

約数和(自身を除く): 335555084

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 211, 212, 265, 422, 530, 844, 1055, 1060, 1303, 2110, 2606, 4220, 5212, 6515, 11183, 13030, 22366, 26060, 44732, 55915, 69059, 111830, 138118, 223660, 274933, 276236, 345295, 549866, 690590, 1099732, 1374665, 1381180, 2749330, 5498660, 14571449, 29142898, 58285796, 72857245, 145714490, 291428980]

約数ペア:

[(1, 291428980), (2, 145714490), (4, 72857245), (5, 58285796), (10, 29142898), (20, 14571449), (53, 5498660), (106, 2749330), (211, 1381180), (212, 1374665), (265, 1099732), (422, 690590), (530, 549866), (844, 345295), (1055, 276236), (1060, 274933), (1303, 223660), (2110, 138118), (2606, 111830), (4220, 69059), (5212, 55915), (6515, 44732), (11183, 26060), (13030, 22366)]