13938500

素因数分解:

$2^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 31008432

約数和(自身を除く): 17069932

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 244, 250, 305, 457, 500, 610, 914, 1220, 1525, 1828, 2285, 3050, 4570, 6100, 7625, 9140, 11425, 15250, 22850, 27877, 30500, 45700, 55754, 57125, 111508, 114250, 139385, 228500, 278770, 557540, 696925, 1393850, 2787700, 3484625, 6969250, 13938500]

約数ペア:

[(1, 13938500), (2, 6969250), (4, 3484625), (5, 2787700), (10, 1393850), (20, 696925), (25, 557540), (50, 278770), (61, 228500), (100, 139385), (122, 114250), (125, 111508), (244, 57125), (250, 55754), (305, 45700), (457, 30500), (500, 27877), (610, 22850), (914, 15250), (1220, 11425), (1525, 9140), (1828, 7625), (2285, 6100), (3050, 4570)]