401064260

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1\times {\mathrm{769}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 855716400

約数和(自身を除く): 454652140

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 293, 356, 445, 586, 769, 890, 1172, 1465, 1538, 1780, 2930, 3076, 3845, 5860, 7690, 15380, 26077, 52154, 68441, 104308, 130385, 136882, 225317, 260770, 273764, 342205, 450634, 521540, 684410, 901268, 1126585, 1368820, 2253170, 4506340, 20053213, 40106426, 80212852, 100266065, 200532130, 401064260]

約数ペア:

[(1, 401064260), (2, 200532130), (4, 100266065), (5, 80212852), (10, 40106426), (20, 20053213), (89, 4506340), (178, 2253170), (293, 1368820), (356, 1126585), (445, 901268), (586, 684410), (769, 521540), (890, 450634), (1172, 342205), (1465, 273764), (1538, 260770), (1780, 225317), (2930, 136882), (3076, 130385), (3845, 104308), (5860, 68441), (7690, 52154), (15380, 26077)]