80474500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 190270080

約数和(自身を除く): 109795580

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 125, 172, 190, 197, 215, 250, 380, 394, 430, 475, 500, 788, 817, 860, 950, 985, 1075, 1634, 1900, 1970, 2150, 2375, 3268, 3743, 3940, 4085, 4300, 4750, 4925, 5375, 7486, 8170, 8471, 9500, 9850, 10750, 14972, 16340, 16942, 18715, 19700, 20425, 21500, 24625, 33884, 37430, 40850, 42355, 49250, 74860, 81700, 84710, 93575, 98500, 102125, 160949, 169420, 187150, 204250, 211775, 321898, 374300, 408500, 423550, 467875, 643796, 804745, 847100, 935750, 1058875, 1609490, 1871500, 2117750, 3218980, 4023725, 4235500, 8047450, 16094900, 20118625, 40237250, 80474500]

約数ペア:

[(1, 80474500), (2, 40237250), (4, 20118625), (5, 16094900), (10, 8047450), (19, 4235500), (20, 4023725), (25, 3218980), (38, 2117750), (43, 1871500), (50, 1609490), (76, 1058875), (86, 935750), (95, 847100), (100, 804745), (125, 643796), (172, 467875), (190, 423550), (197, 408500), (215, 374300), (250, 321898), (380, 211775), (394, 204250), (430, 187150), (475, 169420), (500, 160949), (788, 102125), (817, 98500), (860, 93575), (950, 84710), (985, 81700), (1075, 74860), (1634, 49250), (1900, 42355), (1970, 40850), (2150, 37430), (2375, 33884), (3268, 24625), (3743, 21500), (3940, 20425), (4085, 19700), (4300, 18715), (4750, 16942), (4925, 16340), (5375, 14972), (7486, 10750), (8170, 9850), (8471, 9500)]