618275140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{630893}}^1$

素因数の和:630916

約数の個数: 36

約数和(自身を含む): 1510360236

約数和(自身を除く): 892085096

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 630893, 1261786, 2523572, 3154465, 4416251, 6308930, 8832502, 12617860, 17665004, 22081255, 30913757, 44162510, 61827514, 88325020, 123655028, 154568785, 309137570, 618275140]

約数ペア:

[(1, 618275140), (2, 309137570), (4, 154568785), (5, 123655028), (7, 88325020), (10, 61827514), (14, 44162510), (20, 30913757), (28, 22081255), (35, 17665004), (49, 12617860), (70, 8832502), (98, 6308930), (140, 4416251), (196, 3154465), (245, 2523572), (490, 1261786), (980, 630893)]