2987320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 7879680

約数和(自身を除く): 4892360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 227, 235, 280, 329, 376, 454, 470, 658, 908, 940, 1135, 1316, 1589, 1645, 1816, 1880, 2270, 2632, 3178, 3290, 4540, 6356, 6580, 7945, 9080, 10669, 12712, 13160, 15890, 21338, 31780, 42676, 53345, 63560, 74683, 85352, 106690, 149366, 213380, 298732, 373415, 426760, 597464, 746830, 1493660, 2987320]

約数ペア:

[(1, 2987320), (2, 1493660), (4, 746830), (5, 597464), (7, 426760), (8, 373415), (10, 298732), (14, 213380), (20, 149366), (28, 106690), (35, 85352), (40, 74683), (47, 63560), (56, 53345), (70, 42676), (94, 31780), (140, 21338), (188, 15890), (227, 13160), (235, 12712), (280, 10669), (329, 9080), (376, 7945), (454, 6580), (470, 6356), (658, 4540), (908, 3290), (940, 3178), (1135, 2632), (1316, 2270), (1589, 1880), (1645, 1816)]