78851900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{883}}^1$

素因数の和:963

約数の個数: 72

約数和(自身を含む): 184154880

約数和(自身を除く): 105302980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 47, 50, 76, 94, 95, 100, 188, 190, 235, 380, 470, 475, 883, 893, 940, 950, 1175, 1766, 1786, 1900, 2350, 3532, 3572, 4415, 4465, 4700, 8830, 8930, 16777, 17660, 17860, 22075, 22325, 33554, 41501, 44150, 44650, 67108, 83002, 83885, 88300, 89300, 166004, 167770, 207505, 335540, 415010, 419425, 788519, 830020, 838850, 1037525, 1577038, 1677700, 2075050, 3154076, 3942595, 4150100, 7885190, 15770380, 19712975, 39425950, 78851900]

約数ペア:

[(1, 78851900), (2, 39425950), (4, 19712975), (5, 15770380), (10, 7885190), (19, 4150100), (20, 3942595), (25, 3154076), (38, 2075050), (47, 1677700), (50, 1577038), (76, 1037525), (94, 838850), (95, 830020), (100, 788519), (188, 419425), (190, 415010), (235, 335540), (380, 207505), (470, 167770), (475, 166004), (883, 89300), (893, 88300), (940, 83885), (950, 83002), (1175, 67108), (1766, 44650), (1786, 44150), (1900, 41501), (2350, 33554), (3532, 22325), (3572, 22075), (4415, 17860), (4465, 17660), (4700, 16777), (8830, 8930)]