49984900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{101}}^2$

素因数の和:230

約数の個数: 81

約数和(自身を含む): 127437807

約数和(自身を除く): 77452907

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 101, 140, 175, 196, 202, 245, 350, 404, 490, 505, 700, 707, 980, 1010, 1225, 1414, 2020, 2450, 2525, 2828, 3535, 4900, 4949, 5050, 7070, 9898, 10100, 10201, 14140, 17675, 19796, 20402, 24745, 35350, 40804, 49490, 51005, 70700, 71407, 98980, 102010, 123725, 142814, 204020, 247450, 255025, 285628, 357035, 494900, 499849, 510050, 714070, 999698, 1020100, 1428140, 1785175, 1999396, 2499245, 3570350, 4998490, 7140700, 9996980, 12496225, 24992450, 49984900]

約数ペア:

[(1, 49984900), (2, 24992450), (4, 12496225), (5, 9996980), (7, 7140700), (10, 4998490), (14, 3570350), (20, 2499245), (25, 1999396), (28, 1785175), (35, 1428140), (49, 1020100), (50, 999698), (70, 714070), (98, 510050), (100, 499849), (101, 494900), (140, 357035), (175, 285628), (196, 255025), (202, 247450), (245, 204020), (350, 142814), (404, 123725), (490, 102010), (505, 98980), (700, 71407), (707, 70700), (980, 51005), (1010, 49490), (1225, 40804), (1414, 35350), (2020, 24745), (2450, 20402), (2525, 19796), (2828, 17675), (3535, 14140), (4900, 10201), (4949, 10100), (5050, 9898)]