2158400

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:112

約数の個数: 84

約数和(自身を含む): 5669280

約数和(自身を除く): 3510880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 71, 76, 80, 95, 100, 142, 152, 160, 190, 200, 284, 304, 320, 355, 380, 400, 475, 568, 608, 710, 760, 800, 950, 1136, 1216, 1349, 1420, 1520, 1600, 1775, 1900, 2272, 2698, 2840, 3040, 3550, 3800, 4544, 5396, 5680, 6080, 6745, 7100, 7600, 10792, 11360, 13490, 14200, 15200, 21584, 22720, 26980, 28400, 30400, 33725, 43168, 53960, 56800, 67450, 86336, 107920, 113600, 134900, 215840, 269800, 431680, 539600, 1079200, 2158400]

約数ペア:

[(1, 2158400), (2, 1079200), (4, 539600), (5, 431680), (8, 269800), (10, 215840), (16, 134900), (19, 113600), (20, 107920), (25, 86336), (32, 67450), (38, 56800), (40, 53960), (50, 43168), (64, 33725), (71, 30400), (76, 28400), (80, 26980), (95, 22720), (100, 21584), (142, 15200), (152, 14200), (160, 13490), (190, 11360), (200, 10792), (284, 7600), (304, 7100), (320, 6745), (355, 6080), (380, 5680), (400, 5396), (475, 4544), (568, 3800), (608, 3550), (710, 3040), (760, 2840), (800, 2698), (950, 2272), (1136, 1900), (1216, 1775), (1349, 1600), (1420, 1520)]