212216860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{3319}}^1$

素因数の和:3490

約数の個数: 48

約数和(自身を含む): 468518400

約数和(自身を除く): 256301540

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 139, 230, 278, 460, 556, 695, 1390, 2780, 3197, 3319, 6394, 6638, 12788, 13276, 15985, 16595, 31970, 33190, 63940, 66380, 76337, 152674, 305348, 381685, 461341, 763370, 922682, 1526740, 1845364, 2306705, 4613410, 9226820, 10610843, 21221686, 42443372, 53054215, 106108430, 212216860]

約数ペア:

[(1, 212216860), (2, 106108430), (4, 53054215), (5, 42443372), (10, 21221686), (20, 10610843), (23, 9226820), (46, 4613410), (92, 2306705), (115, 1845364), (139, 1526740), (230, 922682), (278, 763370), (460, 461341), (556, 381685), (695, 305348), (1390, 152674), (2780, 76337), (3197, 66380), (3319, 63940), (6394, 33190), (6638, 31970), (12788, 16595), (13276, 15985)]