77897000

素因数分解:

$2^3\times 5^3\times {\mathrm{61}}^1\times {\mathrm{1277}}^1$

素因数の和:1359

約数の個数: 64

約数和(自身を含む): 185412240

約数和(自身を除く): 107515240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 125, 200, 244, 250, 305, 488, 500, 610, 1000, 1220, 1277, 1525, 2440, 2554, 3050, 5108, 6100, 6385, 7625, 10216, 12200, 12770, 15250, 25540, 30500, 31925, 51080, 61000, 63850, 77897, 127700, 155794, 159625, 255400, 311588, 319250, 389485, 623176, 638500, 778970, 1277000, 1557940, 1947425, 3115880, 3894850, 7789700, 9737125, 15579400, 19474250, 38948500, 77897000]

約数ペア:

[(1, 77897000), (2, 38948500), (4, 19474250), (5, 15579400), (8, 9737125), (10, 7789700), (20, 3894850), (25, 3115880), (40, 1947425), (50, 1557940), (61, 1277000), (100, 778970), (122, 638500), (125, 623176), (200, 389485), (244, 319250), (250, 311588), (305, 255400), (488, 159625), (500, 155794), (610, 127700), (1000, 77897), (1220, 63850), (1277, 61000), (1525, 51080), (2440, 31925), (2554, 30500), (3050, 25540), (5108, 15250), (6100, 12770), (6385, 12200), (7625, 10216)]