17428420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 38304000

約数和(自身を除く): 20875580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 151, 199, 290, 302, 398, 580, 604, 755, 796, 995, 1510, 1990, 3020, 3980, 4379, 5771, 8758, 11542, 17516, 21895, 23084, 28855, 30049, 43790, 57710, 60098, 87580, 115420, 120196, 150245, 300490, 600980, 871421, 1742842, 3485684, 4357105, 8714210, 17428420]

約数ペア:

[(1, 17428420), (2, 8714210), (4, 4357105), (5, 3485684), (10, 1742842), (20, 871421), (29, 600980), (58, 300490), (116, 150245), (145, 120196), (151, 115420), (199, 87580), (290, 60098), (302, 57710), (398, 43790), (580, 30049), (604, 28855), (755, 23084), (796, 21895), (995, 17516), (1510, 11542), (1990, 8758), (3020, 5771), (3980, 4379)]