8974900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:265

約数の個数: 72

約数和(自身を含む): 21873600

約数和(自身を除く): 12898700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 199, 205, 220, 275, 398, 410, 451, 550, 796, 820, 902, 995, 1025, 1100, 1804, 1990, 2050, 2189, 2255, 3980, 4100, 4378, 4510, 4975, 8159, 8756, 9020, 9950, 10945, 11275, 16318, 19900, 21890, 22550, 32636, 40795, 43780, 45100, 54725, 81590, 89749, 109450, 163180, 179498, 203975, 218900, 358996, 407950, 448745, 815900, 897490, 1794980, 2243725, 4487450, 8974900]

約数ペア:

[(1, 8974900), (2, 4487450), (4, 2243725), (5, 1794980), (10, 897490), (11, 815900), (20, 448745), (22, 407950), (25, 358996), (41, 218900), (44, 203975), (50, 179498), (55, 163180), (82, 109450), (100, 89749), (110, 81590), (164, 54725), (199, 45100), (205, 43780), (220, 40795), (275, 32636), (398, 22550), (410, 21890), (451, 19900), (550, 16318), (796, 11275), (820, 10945), (902, 9950), (995, 9020), (1025, 8756), (1100, 8159), (1804, 4975), (1990, 4510), (2050, 4378), (2189, 4100), (2255, 3980)]