82047700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 222208000

約数和(自身を除く): 140160300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 31, 35, 38, 50, 62, 70, 76, 95, 100, 124, 133, 140, 155, 175, 190, 199, 217, 266, 310, 350, 380, 398, 434, 475, 532, 589, 620, 665, 700, 775, 796, 868, 950, 995, 1085, 1178, 1330, 1393, 1550, 1900, 1990, 2170, 2356, 2660, 2786, 2945, 3100, 3325, 3781, 3980, 4123, 4340, 4975, 5425, 5572, 5890, 6169, 6650, 6965, 7562, 8246, 9950, 10850, 11780, 12338, 13300, 13930, 14725, 15124, 16492, 18905, 19900, 20615, 21700, 24676, 26467, 27860, 29450, 30845, 34825, 37810, 41230, 43183, 52934, 58900, 61690, 69650, 75620, 82460, 86366, 94525, 103075, 105868, 117211, 123380, 132335, 139300, 154225, 172732, 189050, 206150, 215915, 234422, 264670, 308450, 378100, 412300, 431830, 468844, 529340, 586055, 616900, 661675, 820477, 863660, 1079575, 1172110, 1323350, 1640954, 2159150, 2344220, 2646700, 2930275, 3281908, 4102385, 4318300, 5860550, 8204770, 11721100, 16409540, 20511925, 41023850, 82047700]

約数ペア:

[(1, 82047700), (2, 41023850), (4, 20511925), (5, 16409540), (7, 11721100), (10, 8204770), (14, 5860550), (19, 4318300), (20, 4102385), (25, 3281908), (28, 2930275), (31, 2646700), (35, 2344220), (38, 2159150), (50, 1640954), (62, 1323350), (70, 1172110), (76, 1079575), (95, 863660), (100, 820477), (124, 661675), (133, 616900), (140, 586055), (155, 529340), (175, 468844), (190, 431830), (199, 412300), (217, 378100), (266, 308450), (310, 264670), (350, 234422), (380, 215915), (398, 206150), (434, 189050), (475, 172732), (532, 154225), (589, 139300), (620, 132335), (665, 123380), (700, 117211), (775, 105868), (796, 103075), (868, 94525), (950, 86366), (995, 82460), (1085, 75620), (1178, 69650), (1330, 61690), (1393, 58900), (1550, 52934), (1900, 43183), (1990, 41230), (2170, 37810), (2356, 34825), (2660, 30845), (2786, 29450), (2945, 27860), (3100, 26467), (3325, 24676), (3781, 21700), (3980, 20615), (4123, 19900), (4340, 18905), (4975, 16492), (5425, 15124), (5572, 14725), (5890, 13930), (6169, 13300), (6650, 12338), (6965, 11780), (7562, 10850), (8246, 9950)]