201639290

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{3191}}^1$

素因数の和:3358

約数の個数: 32

約数和(自身を含む): 372314880

約数和(自身を除く): 170675590

約数列:

[1, 2, 5, 10, 71, 89, 142, 178, 355, 445, 710, 890, 3191, 6319, 6382, 12638, 15955, 31595, 31910, 63190, 226561, 283999, 453122, 567998, 1132805, 1419995, 2265610, 2839990, 20163929, 40327858, 100819645, 201639290]

約数ペア:

[(1, 201639290), (2, 100819645), (5, 40327858), (10, 20163929), (71, 2839990), (89, 2265610), (142, 1419995), (178, 1132805), (355, 567998), (445, 453122), (710, 283999), (890, 226561), (3191, 63190), (6319, 31910), (6382, 31595), (12638, 15955)]