117888920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{857}}^1$

素因数の和:1068

約数の個数: 64

約数和(自身を含む): 281080800

約数和(自身を除く): 163191880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 181, 190, 362, 380, 724, 760, 857, 905, 1448, 1714, 1810, 3428, 3439, 3620, 4285, 6856, 6878, 7240, 8570, 13756, 16283, 17140, 17195, 27512, 32566, 34280, 34390, 65132, 68780, 81415, 130264, 137560, 155117, 162830, 310234, 325660, 620468, 651320, 775585, 1240936, 1551170, 2947223, 3102340, 5894446, 6204680, 11788892, 14736115, 23577784, 29472230, 58944460, 117888920]

約数ペア:

[(1, 117888920), (2, 58944460), (4, 29472230), (5, 23577784), (8, 14736115), (10, 11788892), (19, 6204680), (20, 5894446), (38, 3102340), (40, 2947223), (76, 1551170), (95, 1240936), (152, 775585), (181, 651320), (190, 620468), (362, 325660), (380, 310234), (724, 162830), (760, 155117), (857, 137560), (905, 130264), (1448, 81415), (1714, 68780), (1810, 65132), (3428, 34390), (3439, 34280), (3620, 32566), (4285, 27512), (6856, 17195), (6878, 17140), (7240, 16283), (8570, 13756)]