202999900

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^2\times {\mathrm{199}}^1$

素因数の和:415

約数の個数: 54

約数和(自身を含む): 447150200

約数和(自身を除く): 244150300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 199, 202, 398, 404, 505, 796, 995, 1010, 1990, 2020, 2525, 3980, 4975, 5050, 9950, 10100, 10201, 19900, 20099, 20402, 40198, 40804, 51005, 80396, 100495, 102010, 200990, 204020, 255025, 401980, 502475, 510050, 1004950, 1020100, 2009900, 2029999, 4059998, 8119996, 10149995, 20299990, 40599980, 50749975, 101499950, 202999900]

約数ペア:

[(1, 202999900), (2, 101499950), (4, 50749975), (5, 40599980), (10, 20299990), (20, 10149995), (25, 8119996), (50, 4059998), (100, 2029999), (101, 2009900), (199, 1020100), (202, 1004950), (398, 510050), (404, 502475), (505, 401980), (796, 255025), (995, 204020), (1010, 200990), (1990, 102010), (2020, 100495), (2525, 80396), (3980, 51005), (4975, 40804), (5050, 40198), (9950, 20402), (10100, 20099), (10201, 19900)]