1256334910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1\times {\mathrm{523}}^1$

素因数の和:865

約数の個数: 64

約数和(自身を含む): 2444774400

約数和(自身を除く): 1188439490

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 269, 470, 523, 538, 893, 1046, 1345, 1786, 2615, 2690, 4465, 5111, 5230, 8930, 9937, 10222, 12643, 19874, 24581, 25286, 25555, 49162, 49685, 51110, 63215, 99370, 122905, 126430, 140687, 240217, 245810, 281374, 467039, 480434, 703435, 934078, 1201085, 1406870, 2335195, 2402170, 2673053, 4670390, 5346106, 6612289, 13224578, 13365265, 26730530, 33061445, 66122890, 125633491, 251266982, 628167455, 1256334910]

約数ペア:

[(1, 1256334910), (2, 628167455), (5, 251266982), (10, 125633491), (19, 66122890), (38, 33061445), (47, 26730530), (94, 13365265), (95, 13224578), (190, 6612289), (235, 5346106), (269, 4670390), (470, 2673053), (523, 2402170), (538, 2335195), (893, 1406870), (1046, 1201085), (1345, 934078), (1786, 703435), (2615, 480434), (2690, 467039), (4465, 281374), (5111, 245810), (5230, 240217), (8930, 140687), (9937, 126430), (10222, 122905), (12643, 99370), (19874, 63215), (24581, 51110), (25286, 49685), (25555, 49162)]