1589540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 3628800

約数和(自身を除く): 2039260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 89, 94, 95, 178, 188, 190, 235, 356, 380, 445, 470, 890, 893, 940, 1691, 1780, 1786, 3382, 3572, 4183, 4465, 6764, 8366, 8455, 8930, 16732, 16910, 17860, 20915, 33820, 41830, 79477, 83660, 158954, 317908, 397385, 794770, 1589540]

約数ペア:

[(1, 1589540), (2, 794770), (4, 397385), (5, 317908), (10, 158954), (19, 83660), (20, 79477), (38, 41830), (47, 33820), (76, 20915), (89, 17860), (94, 16910), (95, 16732), (178, 8930), (188, 8455), (190, 8366), (235, 6764), (356, 4465), (380, 4183), (445, 3572), (470, 3382), (890, 1786), (893, 1780), (940, 1691)]