538647570

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{664997}}^1$

素因数の和:665016

約数の個数: 40

約数和(自身を含む): 1448365644

約数和(自身を除く): 909718074

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 664997, 1329994, 1994991, 3324985, 3989982, 5984973, 6649970, 9974955, 11969946, 17954919, 19949910, 29924865, 35909838, 53864757, 59849730, 89774595, 107729514, 179549190, 269323785, 538647570]

約数ペア:

[(1, 538647570), (2, 269323785), (3, 179549190), (5, 107729514), (6, 89774595), (9, 59849730), (10, 53864757), (15, 35909838), (18, 29924865), (27, 19949910), (30, 17954919), (45, 11969946), (54, 9974955), (81, 6649970), (90, 5984973), (135, 3989982), (162, 3324985), (270, 1994991), (405, 1329994), (810, 664997)]