291683980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{911}}^1\times {\mathrm{2287}}^1$

素因数の和:3214

約数の個数: 48

約数和(自身を含む): 701116416

約数和(自身を除く): 409432436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 911, 1822, 2287, 3644, 4555, 4574, 6377, 9110, 9148, 11435, 12754, 16009, 18220, 22870, 25508, 31885, 32018, 45740, 63770, 64036, 80045, 127540, 160090, 320180, 2083457, 4166914, 8333828, 10417285, 14584199, 20834570, 29168398, 41669140, 58336796, 72920995, 145841990, 291683980]

約数ペア:

[(1, 291683980), (2, 145841990), (4, 72920995), (5, 58336796), (7, 41669140), (10, 29168398), (14, 20834570), (20, 14584199), (28, 10417285), (35, 8333828), (70, 4166914), (140, 2083457), (911, 320180), (1822, 160090), (2287, 127540), (3644, 80045), (4555, 64036), (4574, 63770), (6377, 45740), (9110, 32018), (9148, 31885), (11435, 25508), (12754, 22870), (16009, 18220)]