13703320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 32503680

約数和(自身を除く): 18800360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 197, 235, 296, 370, 376, 394, 470, 740, 788, 940, 985, 1480, 1576, 1739, 1880, 1970, 3478, 3940, 6956, 7289, 7880, 8695, 9259, 13912, 14578, 17390, 18518, 29156, 34780, 36445, 37036, 46295, 58312, 69560, 72890, 74072, 92590, 145780, 185180, 291560, 342583, 370360, 685166, 1370332, 1712915, 2740664, 3425830, 6851660, 13703320]

約数ペア:

[(1, 13703320), (2, 6851660), (4, 3425830), (5, 2740664), (8, 1712915), (10, 1370332), (20, 685166), (37, 370360), (40, 342583), (47, 291560), (74, 185180), (94, 145780), (148, 92590), (185, 74072), (188, 72890), (197, 69560), (235, 58312), (296, 46295), (370, 37036), (376, 36445), (394, 34780), (470, 29156), (740, 18518), (788, 17390), (940, 14578), (985, 13912), (1480, 9259), (1576, 8695), (1739, 7880), (1880, 7289), (1970, 6956), (3478, 3940)]