84872900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{17321}}^1$

素因数の和:17349

約数の個数: 54

約数和(自身を含む): 214255818

約数和(自身を除く): 129382918

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 17321, 34642, 69284, 86605, 121247, 173210, 242494, 346420, 433025, 484988, 606235, 848729, 866050, 1212470, 1697458, 1732100, 2424940, 3031175, 3394916, 4243645, 6062350, 8487290, 12124700, 16974580, 21218225, 42436450, 84872900]

約数ペア:

[(1, 84872900), (2, 42436450), (4, 21218225), (5, 16974580), (7, 12124700), (10, 8487290), (14, 6062350), (20, 4243645), (25, 3394916), (28, 3031175), (35, 2424940), (49, 1732100), (50, 1697458), (70, 1212470), (98, 866050), (100, 848729), (140, 606235), (175, 484988), (196, 433025), (245, 346420), (350, 242494), (490, 173210), (700, 121247), (980, 86605), (1225, 69284), (2450, 34642), (4900, 17321)]