418899290

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{3089}}^1$

素因数の和:3358

約数の個数: 32

約数和(自身を含む): 768890880

約数和(自身を除く): 349991590

約数列:

[1, 2, 5, 10, 71, 142, 191, 355, 382, 710, 955, 1910, 3089, 6178, 13561, 15445, 27122, 30890, 67805, 135610, 219319, 438638, 589999, 1096595, 1179998, 2193190, 2949995, 5899990, 41889929, 83779858, 209449645, 418899290]

約数ペア:

[(1, 418899290), (2, 209449645), (5, 83779858), (10, 41889929), (71, 5899990), (142, 2949995), (191, 2193190), (355, 1179998), (382, 1096595), (710, 589999), (955, 438638), (1910, 219319), (3089, 135610), (6178, 67805), (13561, 30890), (15445, 27122)]