491980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1447}}^1$

素因数の和:1473

約数の個数: 24

約数和(自身を含む): 1094688

約数和(自身を除く): 602708

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1447, 2894, 5788, 7235, 14470, 24599, 28940, 49198, 98396, 122995, 245990, 491980]

約数ペア:

[(1, 491980), (2, 245990), (4, 122995), (5, 98396), (10, 49198), (17, 28940), (20, 24599), (34, 14470), (68, 7235), (85, 5788), (170, 2894), (340, 1447)]