788740000

素因数分解:

$2^5\times 5^4\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:492

約数の個数: 120

約数和(自身を含む): 1963199700

約数和(自身を除く): 1174459700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 113, 125, 160, 200, 226, 250, 349, 400, 452, 500, 565, 625, 698, 800, 904, 1000, 1130, 1250, 1396, 1745, 1808, 2000, 2260, 2500, 2792, 2825, 3490, 3616, 4000, 4520, 5000, 5584, 5650, 6980, 8725, 9040, 10000, 11168, 11300, 13960, 14125, 17450, 18080, 20000, 22600, 27920, 28250, 34900, 39437, 43625, 45200, 55840, 56500, 69800, 70625, 78874, 87250, 90400, 113000, 139600, 141250, 157748, 174500, 197185, 218125, 226000, 279200, 282500, 315496, 349000, 394370, 436250, 452000, 565000, 630992, 698000, 788740, 872500, 985925, 1130000, 1261984, 1396000, 1577480, 1745000, 1971850, 2260000, 3154960, 3490000, 3943700, 4929625, 6309920, 6980000, 7887400, 9859250, 15774800, 19718500, 24648125, 31549600, 39437000, 49296250, 78874000, 98592500, 157748000, 197185000, 394370000, 788740000]

約数ペア:

[(1, 788740000), (2, 394370000), (4, 197185000), (5, 157748000), (8, 98592500), (10, 78874000), (16, 49296250), (20, 39437000), (25, 31549600), (32, 24648125), (40, 19718500), (50, 15774800), (80, 9859250), (100, 7887400), (113, 6980000), (125, 6309920), (160, 4929625), (200, 3943700), (226, 3490000), (250, 3154960), (349, 2260000), (400, 1971850), (452, 1745000), (500, 1577480), (565, 1396000), (625, 1261984), (698, 1130000), (800, 985925), (904, 872500), (1000, 788740), (1130, 698000), (1250, 630992), (1396, 565000), (1745, 452000), (1808, 436250), (2000, 394370), (2260, 349000), (2500, 315496), (2792, 282500), (2825, 279200), (3490, 226000), (3616, 218125), (4000, 197185), (4520, 174500), (5000, 157748), (5584, 141250), (5650, 139600), (6980, 113000), (8725, 90400), (9040, 87250), (10000, 78874), (11168, 70625), (11300, 69800), (13960, 56500), (14125, 55840), (17450, 45200), (18080, 43625), (20000, 39437), (22600, 34900), (27920, 28250)]