667308980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1481}}^1\times {\mathrm{1733}}^1$

素因数の和:3236

約数の個数: 48

約数和(自身を含む): 1511035344

約数和(自身を除く): 843726364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1481, 1733, 2962, 3466, 5924, 6932, 7405, 8665, 14810, 17330, 19253, 22529, 29620, 34660, 38506, 45058, 77012, 90116, 96265, 112645, 192530, 225290, 385060, 450580, 2566573, 5133146, 10266292, 12832865, 25665730, 33365449, 51331460, 66730898, 133461796, 166827245, 333654490, 667308980]

約数ペア:

[(1, 667308980), (2, 333654490), (4, 166827245), (5, 133461796), (10, 66730898), (13, 51331460), (20, 33365449), (26, 25665730), (52, 12832865), (65, 10266292), (130, 5133146), (260, 2566573), (1481, 450580), (1733, 385060), (2962, 225290), (3466, 192530), (5924, 112645), (6932, 96265), (7405, 90116), (8665, 77012), (14810, 45058), (17330, 38506), (19253, 34660), (22529, 29620)]