8870820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{21121}}^1$

素因数の和:21140

約数の個数: 48

約数和(自身を含む): 28387968

約数和(自身を除く): 19517148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 21121, 42242, 63363, 84484, 105605, 126726, 147847, 211210, 253452, 295694, 316815, 422420, 443541, 591388, 633630, 739235, 887082, 1267260, 1478470, 1774164, 2217705, 2956940, 4435410, 8870820]

約数ペア:

[(1, 8870820), (2, 4435410), (3, 2956940), (4, 2217705), (5, 1774164), (6, 1478470), (7, 1267260), (10, 887082), (12, 739235), (14, 633630), (15, 591388), (20, 443541), (21, 422420), (28, 316815), (30, 295694), (35, 253452), (42, 211210), (60, 147847), (70, 126726), (84, 105605), (105, 84484), (140, 63363), (210, 42242), (420, 21121)]