82977420.000000000

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{370247}}^1$

素因数の和:370265

約数の個数: 32

約数和(自身を含む): 266578560

約数和(自身を除く): 162909400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 370247, 740494, 1480988, 1851235, 2591729, 2961976, 3702470, 5183458, 7404940, 10366916, 12958645, 14809880, 20733832, 25917290, 51834580, 103669160]

約数ペア:

[(1, 103669160), (2, 51834580), (4, 25917290), (5, 20733832), (7, 14809880), (8, 12958645), (10, 10366916), (14, 7404940), (20, 5183458), (28, 3702470), (35, 2961976), (40, 2591729), (56, 1851235), (70, 1480988), (140, 740494), (280, 370247)]