1967804540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{398341}}^1$

素因数の和:398382

約数の個数: 48

約数和(自身を含む): 4684501920

約数和(自身を除く): 2716697380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 398341, 796682, 1593364, 1991705, 3983410, 5178433, 7568479, 7966820, 10356866, 15136958, 20713732, 25892165, 30273916, 37842395, 51784330, 75684790, 98390227, 103568660, 151369580, 196780454, 393560908, 491951135, 983902270, 1967804540]

約数ペア:

[(1, 1967804540), (2, 983902270), (4, 491951135), (5, 393560908), (10, 196780454), (13, 151369580), (19, 103568660), (20, 98390227), (26, 75684790), (38, 51784330), (52, 37842395), (65, 30273916), (76, 25892165), (95, 20713732), (130, 15136958), (190, 10356866), (247, 7966820), (260, 7568479), (380, 5178433), (494, 3983410), (988, 1991705), (1235, 1593364), (2470, 796682), (4940, 398341)]