142704980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 333037320

約数和(自身を除く): 190332340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 121, 218, 220, 242, 436, 484, 541, 545, 605, 1082, 1090, 1199, 1210, 2164, 2180, 2398, 2420, 2705, 4796, 5410, 5951, 5995, 10820, 11902, 11990, 13189, 23804, 23980, 26378, 29755, 52756, 58969, 59510, 65461, 65945, 117938, 119020, 130922, 131890, 235876, 261844, 263780, 294845, 327305, 589690, 648659, 654610, 1179380, 1297318, 1309220, 2594636, 3243295, 6486590, 7135249, 12973180, 14270498, 28540996, 35676245, 71352490, 142704980]

約数ペア:

[(1, 142704980), (2, 71352490), (4, 35676245), (5, 28540996), (10, 14270498), (11, 12973180), (20, 7135249), (22, 6486590), (44, 3243295), (55, 2594636), (109, 1309220), (110, 1297318), (121, 1179380), (218, 654610), (220, 648659), (242, 589690), (436, 327305), (484, 294845), (541, 263780), (545, 261844), (605, 235876), (1082, 131890), (1090, 130922), (1199, 119020), (1210, 117938), (2164, 65945), (2180, 65461), (2398, 59510), (2420, 58969), (2705, 52756), (4796, 29755), (5410, 26378), (5951, 23980), (5995, 23804), (10820, 13189), (11902, 11990)]