77108840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1429}}^1$

素因数の和:1530

約数の個数: 64

約数和(自身を含む): 185328000

約数和(自身を除く): 108219160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 1429, 2698, 2840, 2858, 5396, 5716, 6745, 7145, 10792, 11432, 13490, 14290, 26980, 27151, 28580, 53960, 54302, 57160, 101459, 108604, 135755, 202918, 217208, 271510, 405836, 507295, 543020, 811672, 1014590, 1086040, 1927721, 2029180, 3855442, 4058360, 7710884, 9638605, 15421768, 19277210, 38554420, 77108840]

約数ペア:

[(1, 77108840), (2, 38554420), (4, 19277210), (5, 15421768), (8, 9638605), (10, 7710884), (19, 4058360), (20, 3855442), (38, 2029180), (40, 1927721), (71, 1086040), (76, 1014590), (95, 811672), (142, 543020), (152, 507295), (190, 405836), (284, 271510), (355, 217208), (380, 202918), (568, 135755), (710, 108604), (760, 101459), (1349, 57160), (1420, 54302), (1429, 53960), (2698, 28580), (2840, 27151), (2858, 26980), (5396, 14290), (5716, 13490), (6745, 11432), (7145, 10792)]