71823980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211247}}^1$

素因数の和:211273

約数の個数: 24

約数和(自身を含む): 159703488

約数和(自身を除く): 87879508

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 211247, 422494, 844988, 1056235, 2112470, 3591199, 4224940, 7182398, 14364796, 17955995, 35911990, 71823980]

約数ペア:

[(1, 71823980), (2, 35911990), (4, 17955995), (5, 14364796), (10, 7182398), (17, 4224940), (20, 3591199), (34, 2112470), (68, 1056235), (85, 844988), (170, 422494), (340, 211247)]