177738920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2411}}^1$

素因数の和:2538

約数の個数: 64

約数和(自身を含む): 425476800

約数和(自身を除く): 247737880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 152, 190, 194, 380, 388, 485, 760, 776, 970, 1843, 1940, 2411, 3686, 3880, 4822, 7372, 9215, 9644, 12055, 14744, 18430, 19288, 24110, 36860, 45809, 48220, 73720, 91618, 96440, 183236, 229045, 233867, 366472, 458090, 467734, 916180, 935468, 1169335, 1832360, 1870936, 2338670, 4443473, 4677340, 8886946, 9354680, 17773892, 22217365, 35547784, 44434730, 88869460, 177738920]

約数ペア:

[(1, 177738920), (2, 88869460), (4, 44434730), (5, 35547784), (8, 22217365), (10, 17773892), (19, 9354680), (20, 8886946), (38, 4677340), (40, 4443473), (76, 2338670), (95, 1870936), (97, 1832360), (152, 1169335), (190, 935468), (194, 916180), (380, 467734), (388, 458090), (485, 366472), (760, 233867), (776, 229045), (970, 183236), (1843, 96440), (1940, 91618), (2411, 73720), (3686, 48220), (3880, 45809), (4822, 36860), (7372, 24110), (9215, 19288), (9644, 18430), (12055, 14744)]