219965888

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4889}}^1$

素因数の和:4957

約数の個数: 56

約数和(自身を含む): 471982800

約数和(自身を除く): 252016912

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 64, 74, 76, 148, 152, 296, 304, 592, 608, 703, 1184, 1216, 1406, 2368, 2812, 4889, 5624, 9778, 11248, 19556, 22496, 39112, 44992, 78224, 92891, 156448, 180893, 185782, 312896, 361786, 371564, 723572, 743128, 1447144, 1486256, 2894288, 2972512, 3436967, 5788576, 5945024, 6873934, 11577152, 13747868, 27495736, 54991472, 109982944, 219965888]

約数ペア:

[(1, 219965888), (2, 109982944), (4, 54991472), (8, 27495736), (16, 13747868), (19, 11577152), (32, 6873934), (37, 5945024), (38, 5788576), (64, 3436967), (74, 2972512), (76, 2894288), (148, 1486256), (152, 1447144), (296, 743128), (304, 723572), (592, 371564), (608, 361786), (703, 312896), (1184, 185782), (1216, 180893), (1406, 156448), (2368, 92891), (2812, 78224), (4889, 44992), (5624, 39112), (9778, 22496), (11248, 19556)]