216948710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1447}}^1$

素因数の和:1541

約数の個数: 64

約数和(自身を含む): 450385920

約数和(自身を除く): 233437210

約数列:

[1, 2, 5, 10, 11, 22, 29, 47, 55, 58, 94, 110, 145, 235, 290, 319, 470, 517, 638, 1034, 1363, 1447, 1595, 2585, 2726, 2894, 3190, 5170, 6815, 7235, 13630, 14470, 14993, 15917, 29986, 31834, 41963, 68009, 74965, 79585, 83926, 136018, 149930, 159170, 209815, 340045, 419630, 461593, 680090, 748099, 923186, 1496198, 1972261, 2307965, 3740495, 3944522, 4615930, 7480990, 9861305, 19722610, 21694871, 43389742, 108474355, 216948710]

約数ペア:

[(1, 216948710), (2, 108474355), (5, 43389742), (10, 21694871), (11, 19722610), (22, 9861305), (29, 7480990), (47, 4615930), (55, 3944522), (58, 3740495), (94, 2307965), (110, 1972261), (145, 1496198), (235, 923186), (290, 748099), (319, 680090), (470, 461593), (517, 419630), (638, 340045), (1034, 209815), (1363, 159170), (1447, 149930), (1595, 136018), (2585, 83926), (2726, 79585), (2894, 74965), (3190, 68009), (5170, 41963), (6815, 31834), (7235, 29986), (13630, 15917), (14470, 14993)]