219230380

素因数分解:

$2^2\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{9007}}^1$

素因数の和:10233

約数の個数: 24

約数和(自身を含む): 460813248

約数和(自身を除く): 241582868

約数列:

[1, 2, 4, 5, 10, 20, 1217, 2434, 4868, 6085, 9007, 12170, 18014, 24340, 36028, 45035, 90070, 180140, 10961519, 21923038, 43846076, 54807595, 109615190, 219230380]

約数ペア:

[(1, 219230380), (2, 109615190), (4, 54807595), (5, 43846076), (10, 21923038), (20, 10961519), (1217, 180140), (2434, 90070), (4868, 45035), (6085, 36028), (9007, 24340), (12170, 18014)]