191120392

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2078

約数の個数: 64

約数和(自身を含む): 410400000

約数和(自身を除く): 219279608

約数列:

[1, 2, 4, 8, 17, 19, 34, 37, 38, 68, 74, 76, 136, 148, 152, 296, 323, 629, 646, 703, 1258, 1292, 1406, 1999, 2516, 2584, 2812, 3998, 5032, 5624, 7996, 11951, 15992, 23902, 33983, 37981, 47804, 67966, 73963, 75962, 95608, 135932, 147926, 151924, 271864, 295852, 303848, 591704, 645677, 1257371, 1291354, 1405297, 2514742, 2582708, 2810594, 5029484, 5165416, 5621188, 10058968, 11242376, 23890049, 47780098, 95560196, 191120392]

約数ペア:

[(1, 191120392), (2, 95560196), (4, 47780098), (8, 23890049), (17, 11242376), (19, 10058968), (34, 5621188), (37, 5165416), (38, 5029484), (68, 2810594), (74, 2582708), (76, 2514742), (136, 1405297), (148, 1291354), (152, 1257371), (296, 645677), (323, 591704), (629, 303848), (646, 295852), (703, 271864), (1258, 151924), (1292, 147926), (1406, 135932), (1999, 95608), (2516, 75962), (2584, 73963), (2812, 67966), (3998, 47804), (5032, 37981), (5624, 33983), (7996, 23902), (11951, 15992)]