551444420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{3391}}^1$

素因数の和:3620

約数の個数: 48

約数和(自身を含む): 1189859328

約数和(自身を除く): 638414908

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 173, 188, 235, 346, 470, 692, 865, 940, 1730, 3391, 3460, 6782, 8131, 13564, 16262, 16955, 32524, 33910, 40655, 67820, 81310, 159377, 162620, 318754, 586643, 637508, 796885, 1173286, 1593770, 2346572, 2933215, 3187540, 5866430, 11732860, 27572221, 55144442, 110288884, 137861105, 275722210, 551444420]

約数ペア:

[(1, 551444420), (2, 275722210), (4, 137861105), (5, 110288884), (10, 55144442), (20, 27572221), (47, 11732860), (94, 5866430), (173, 3187540), (188, 2933215), (235, 2346572), (346, 1593770), (470, 1173286), (692, 796885), (865, 637508), (940, 586643), (1730, 318754), (3391, 162620), (3460, 159377), (6782, 81310), (8131, 67820), (13564, 40655), (16262, 33910), (16955, 32524)]