209640910

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{15727}}^1$

素因数の和:15808

約数の個数: 32

約数和(自身を含む): 398610432

約数和(自身を除く): 188969522

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 155, 215, 310, 430, 1333, 2666, 6665, 13330, 15727, 31454, 78635, 157270, 487537, 676261, 975074, 1352522, 2437685, 3381305, 4875370, 6762610, 20964091, 41928182, 104820455, 209640910]

約数ペア:

[(1, 209640910), (2, 104820455), (5, 41928182), (10, 20964091), (31, 6762610), (43, 4875370), (62, 3381305), (86, 2437685), (155, 1352522), (215, 975074), (310, 676261), (430, 487537), (1333, 157270), (2666, 78635), (6665, 31454), (13330, 15727)]