255778890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1\times {\mathrm{383}}^1$

素因数の和:703

約数の個数: 64

約数和(自身を含む): 624070656

約数和(自身を除く): 368291766

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 113, 197, 226, 339, 383, 394, 565, 591, 678, 766, 985, 1130, 1149, 1182, 1695, 1915, 1970, 2298, 2955, 3390, 3830, 5745, 5910, 11490, 22261, 43279, 44522, 66783, 75451, 86558, 111305, 129837, 133566, 150902, 216395, 222610, 226353, 259674, 333915, 377255, 432790, 452706, 649185, 667830, 754510, 1131765, 1298370, 2263530, 8525963, 17051926, 25577889, 42629815, 51155778, 85259630, 127889445, 255778890]

約数ペア:

[(1, 255778890), (2, 127889445), (3, 85259630), (5, 51155778), (6, 42629815), (10, 25577889), (15, 17051926), (30, 8525963), (113, 2263530), (197, 1298370), (226, 1131765), (339, 754510), (383, 667830), (394, 649185), (565, 452706), (591, 432790), (678, 377255), (766, 333915), (985, 259674), (1130, 226353), (1149, 222610), (1182, 216395), (1695, 150902), (1915, 133566), (1970, 129837), (2298, 111305), (2955, 86558), (3390, 75451), (3830, 66783), (5745, 44522), (5910, 43279), (11490, 22261)]