680908820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2002673}}^1$

素因数の和:2002699

約数の個数: 24

約数和(自身を含む): 1514021544

約数和(自身を除く): 833112724

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2002673, 4005346, 8010692, 10013365, 20026730, 34045441, 40053460, 68090882, 136181764, 170227205, 340454410, 680908820]

約数ペア:

[(1, 680908820), (2, 340454410), (4, 170227205), (5, 136181764), (10, 68090882), (17, 40053460), (20, 34045441), (34, 20026730), (68, 10013365), (85, 8010692), (170, 4005346), (340, 2002673)]