200959700

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^2\times {\mathrm{197}}^1$

素因数の和:413

約数の個数: 54

約数和(自身を含む): 442678698

約数和(自身を除く): 241718998

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 197, 202, 394, 404, 505, 788, 985, 1010, 1970, 2020, 2525, 3940, 4925, 5050, 9850, 10100, 10201, 19700, 19897, 20402, 39794, 40804, 51005, 79588, 99485, 102010, 198970, 204020, 255025, 397940, 497425, 510050, 994850, 1020100, 1989700, 2009597, 4019194, 8038388, 10047985, 20095970, 40191940, 50239925, 100479850, 200959700]

約数ペア:

[(1, 200959700), (2, 100479850), (4, 50239925), (5, 40191940), (10, 20095970), (20, 10047985), (25, 8038388), (50, 4019194), (100, 2009597), (101, 1989700), (197, 1020100), (202, 994850), (394, 510050), (404, 497425), (505, 397940), (788, 255025), (985, 204020), (1010, 198970), (1970, 102010), (2020, 99485), (2525, 79588), (3940, 51005), (4925, 40804), (5050, 39794), (9850, 20402), (10100, 19897), (10201, 19700)]