199916820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:422

約数の個数: 144

約数和(自身を含む): 629620992

約数和(自身を除く): 429704172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 103, 123, 164, 180, 205, 206, 246, 263, 309, 369, 410, 412, 492, 515, 526, 615, 618, 738, 789, 820, 927, 1030, 1052, 1230, 1236, 1315, 1476, 1545, 1578, 1845, 1854, 2060, 2367, 2460, 2630, 3090, 3156, 3690, 3708, 3945, 4223, 4635, 4734, 5260, 6180, 7380, 7890, 8446, 9270, 9468, 10783, 11835, 12669, 15780, 16892, 18540, 21115, 21566, 23670, 25338, 27089, 32349, 38007, 42230, 43132, 47340, 50676, 53915, 54178, 63345, 64698, 76014, 81267, 84460, 97047, 107830, 108356, 126690, 129396, 135445, 152028, 161745, 162534, 190035, 194094, 215660, 243801, 253380, 270890, 323490, 325068, 380070, 388188, 406335, 485235, 487602, 541780, 646980, 760140, 812670, 970470, 975204, 1110649, 1219005, 1625340, 1940940, 2221298, 2438010, 3331947, 4442596, 4876020, 5553245, 6663894, 9995841, 11106490, 13327788, 16659735, 19991682, 22212980, 33319470, 39983364, 49979205, 66638940, 99958410, 199916820]

約数ペア:

[(1, 199916820), (2, 99958410), (3, 66638940), (4, 49979205), (5, 39983364), (6, 33319470), (9, 22212980), (10, 19991682), (12, 16659735), (15, 13327788), (18, 11106490), (20, 9995841), (30, 6663894), (36, 5553245), (41, 4876020), (45, 4442596), (60, 3331947), (82, 2438010), (90, 2221298), (103, 1940940), (123, 1625340), (164, 1219005), (180, 1110649), (205, 975204), (206, 970470), (246, 812670), (263, 760140), (309, 646980), (369, 541780), (410, 487602), (412, 485235), (492, 406335), (515, 388188), (526, 380070), (615, 325068), (618, 323490), (738, 270890), (789, 253380), (820, 243801), (927, 215660), (1030, 194094), (1052, 190035), (1230, 162534), (1236, 161745), (1315, 152028), (1476, 135445), (1545, 129396), (1578, 126690), (1845, 108356), (1854, 107830), (2060, 97047), (2367, 84460), (2460, 81267), (2630, 76014), (3090, 64698), (3156, 63345), (3690, 54178), (3708, 53915), (3945, 50676), (4223, 47340), (4635, 43132), (4734, 42230), (5260, 38007), (6180, 32349), (7380, 27089), (7890, 25338), (8446, 23670), (9270, 21566), (9468, 21115), (10783, 18540), (11835, 16892), (12669, 15780)]