1705117540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{171541}}^1$

素因数の和:171628

約数の個数: 48

約数和(自身を含む): 4149944064

約数和(自身を除く): 2444826524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 171541, 343082, 686164, 857705, 1200787, 1715410, 2401574, 3430820, 4803148, 6003935, 12007870, 12179411, 24015740, 24358822, 48717644, 60897055, 85255877, 121794110, 170511754, 243588220, 341023508, 426279385, 852558770, 1705117540]

約数ペア:

[(1, 1705117540), (2, 852558770), (4, 426279385), (5, 341023508), (7, 243588220), (10, 170511754), (14, 121794110), (20, 85255877), (28, 60897055), (35, 48717644), (70, 24358822), (71, 24015740), (140, 12179411), (142, 12007870), (284, 6003935), (355, 4803148), (497, 3430820), (710, 2401574), (994, 1715410), (1420, 1200787), (1988, 857705), (2485, 686164), (4970, 343082), (9940, 171541)]