210673540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19543}}^1$

素因数の和:19577

約数の個数: 72

約数和(自身を含む): 561460032

約数和(自身を除く): 350786492

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 19543, 39086, 78172, 97715, 136801, 195430, 214973, 273602, 390860, 429946, 547204, 684005, 859892, 957607, 1074865, 1368010, 1504811, 1915214, 2149730, 2736020, 3009622, 3830428, 4299460, 4788035, 6019244, 7524055, 9576070, 10533677, 15048110, 19152140, 21067354, 30096220, 42134708, 52668385, 105336770, 210673540]

約数ペア:

[(1, 210673540), (2, 105336770), (4, 52668385), (5, 42134708), (7, 30096220), (10, 21067354), (11, 19152140), (14, 15048110), (20, 10533677), (22, 9576070), (28, 7524055), (35, 6019244), (44, 4788035), (49, 4299460), (55, 3830428), (70, 3009622), (77, 2736020), (98, 2149730), (110, 1915214), (140, 1504811), (154, 1368010), (196, 1074865), (220, 957607), (245, 859892), (308, 684005), (385, 547204), (490, 429946), (539, 390860), (770, 273602), (980, 214973), (1078, 195430), (1540, 136801), (2156, 97715), (2695, 78172), (5390, 39086), (10780, 19543)]