200899220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{324031}}^1$

素因数の和:324071

約数の個数: 24

約数和(自身を含む): 435499008

約数和(自身を除く): 234599788

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 324031, 648062, 1296124, 1620155, 3240310, 6480620, 10044961, 20089922, 40179844, 50224805, 100449610, 200899220]

約数ペア:

[(1, 200899220), (2, 100449610), (4, 50224805), (5, 40179844), (10, 20089922), (20, 10044961), (31, 6480620), (62, 3240310), (124, 1620155), (155, 1296124), (310, 648062), (620, 324031)]