209050140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{268013}}^1$

素因数の和:268038

約数の個数: 48

約数和(自身を含む): 630368928

約数和(自身を除く): 421318788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 268013, 536026, 804039, 1072052, 1340065, 1608078, 2680130, 3216156, 3484169, 4020195, 5360260, 6968338, 8040390, 10452507, 13936676, 16080780, 17420845, 20905014, 34841690, 41810028, 52262535, 69683380, 104525070, 209050140]

約数ペア:

[(1, 209050140), (2, 104525070), (3, 69683380), (4, 52262535), (5, 41810028), (6, 34841690), (10, 20905014), (12, 17420845), (13, 16080780), (15, 13936676), (20, 10452507), (26, 8040390), (30, 6968338), (39, 5360260), (52, 4020195), (60, 3484169), (65, 3216156), (78, 2680130), (130, 1608078), (156, 1340065), (195, 1072052), (260, 804039), (390, 536026), (780, 268013)]