1338447020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1847}}^1\times {\mathrm{1907}}^1$

素因数の和:3782

約数の個数: 48

約数和(自身を含む): 2961826560

約数和(自身を除く): 1623379540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1847, 1907, 3694, 3814, 7388, 7628, 9235, 9535, 18470, 19070, 35093, 36233, 36940, 38140, 70186, 72466, 140372, 144932, 175465, 181165, 350930, 362330, 701860, 724660, 3522229, 7044458, 14088916, 17611145, 35222290, 66922351, 70444580, 133844702, 267689404, 334611755, 669223510, 1338447020]

約数ペア:

[(1, 1338447020), (2, 669223510), (4, 334611755), (5, 267689404), (10, 133844702), (19, 70444580), (20, 66922351), (38, 35222290), (76, 17611145), (95, 14088916), (190, 7044458), (380, 3522229), (1847, 724660), (1907, 701860), (3694, 362330), (3814, 350930), (7388, 181165), (7628, 175465), (9235, 144932), (9535, 140372), (18470, 72466), (19070, 70186), (35093, 38140), (36233, 36940)]