27877000

素因数分解:

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

素因数の和:539

約数の個数: 64

約数和(自身を含む): 66446640

約数和(自身を除く): 38569640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 125, 200, 244, 250, 305, 457, 488, 500, 610, 914, 1000, 1220, 1525, 1828, 2285, 2440, 3050, 3656, 4570, 6100, 7625, 9140, 11425, 12200, 15250, 18280, 22850, 27877, 30500, 45700, 55754, 57125, 61000, 91400, 111508, 114250, 139385, 223016, 228500, 278770, 457000, 557540, 696925, 1115080, 1393850, 2787700, 3484625, 5575400, 6969250, 13938500, 27877000]

約数ペア:

[(1, 27877000), (2, 13938500), (4, 6969250), (5, 5575400), (8, 3484625), (10, 2787700), (20, 1393850), (25, 1115080), (40, 696925), (50, 557540), (61, 457000), (100, 278770), (122, 228500), (125, 223016), (200, 139385), (244, 114250), (250, 111508), (305, 91400), (457, 61000), (488, 57125), (500, 55754), (610, 45700), (914, 30500), (1000, 27877), (1220, 22850), (1525, 18280), (1828, 15250), (2285, 12200), (2440, 11425), (3050, 9140), (3656, 7625), (4570, 6100)]