243789980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{6197}}^1$

素因数の和:6494

約数の個数: 48

約数和(自身を含む): 587272896

約数和(自身を除く): 343482916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 562, 1124, 1405, 1967, 2810, 3934, 5620, 6197, 7868, 9835, 12394, 19670, 24788, 30985, 39340, 43379, 61970, 86758, 123940, 173516, 216895, 433790, 867580, 1741357, 3482714, 6965428, 8706785, 12189499, 17413570, 24378998, 34827140, 48757996, 60947495, 121894990, 243789980]

約数ペア:

[(1, 243789980), (2, 121894990), (4, 60947495), (5, 48757996), (7, 34827140), (10, 24378998), (14, 17413570), (20, 12189499), (28, 8706785), (35, 6965428), (70, 3482714), (140, 1741357), (281, 867580), (562, 433790), (1124, 216895), (1405, 173516), (1967, 123940), (2810, 86758), (3934, 61970), (5620, 43379), (6197, 39340), (7868, 30985), (9835, 24788), (12394, 19670)]