388650920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{20717}}^1$

素因数の和:20802

約数の個数: 64

約数和(自身を含む): 1014353280

約数和(自身を除く): 625702360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1340, 1876, 2345, 2680, 3752, 4690, 9380, 18760, 20717, 41434, 82868, 103585, 145019, 165736, 207170, 290038, 414340, 580076, 725095, 828680, 1160152, 1388039, 1450190, 2776078, 2900380, 5552156, 5800760, 6940195, 9716273, 11104312, 13880390, 19432546, 27760780, 38865092, 48581365, 55521560, 77730184, 97162730, 194325460, 388650920]

約数ペア:

[(1, 388650920), (2, 194325460), (4, 97162730), (5, 77730184), (7, 55521560), (8, 48581365), (10, 38865092), (14, 27760780), (20, 19432546), (28, 13880390), (35, 11104312), (40, 9716273), (56, 6940195), (67, 5800760), (70, 5552156), (134, 2900380), (140, 2776078), (268, 1450190), (280, 1388039), (335, 1160152), (469, 828680), (536, 725095), (670, 580076), (938, 414340), (1340, 290038), (1876, 207170), (2345, 165736), (2680, 145019), (3752, 103585), (4690, 82868), (9380, 41434), (18760, 20717)]