211044280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{170197}}^1$

素因数の和:170239

約数の個数: 32

約数和(自身を含む): 490170240

約数和(自身を除く): 279125960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 170197, 340394, 680788, 850985, 1361576, 1701970, 3403940, 5276107, 6807880, 10552214, 21104428, 26380535, 42208856, 52761070, 105522140, 211044280]

約数ペア:

[(1, 211044280), (2, 105522140), (4, 52761070), (5, 42208856), (8, 26380535), (10, 21104428), (20, 10552214), (31, 6807880), (40, 5276107), (62, 3403940), (124, 1701970), (155, 1361576), (248, 850985), (310, 680788), (620, 340394), (1240, 170197)]