520912280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1721}}^1$

素因数の和:1809

約数の個数: 128

約数和(自身を含む): 1428295680

約数和(自身を除く): 907383400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 47, 56, 70, 92, 94, 115, 140, 161, 184, 188, 230, 235, 280, 322, 329, 376, 460, 470, 644, 658, 805, 920, 940, 1081, 1288, 1316, 1610, 1645, 1721, 1880, 2162, 2632, 3220, 3290, 3442, 4324, 5405, 6440, 6580, 6884, 7567, 8605, 8648, 10810, 12047, 13160, 13768, 15134, 17210, 21620, 24094, 30268, 34420, 37835, 39583, 43240, 48188, 60235, 60536, 68840, 75670, 79166, 80887, 96376, 120470, 151340, 158332, 161774, 197915, 240940, 277081, 302680, 316664, 323548, 395830, 404435, 481880, 554162, 566209, 647096, 791660, 808870, 1108324, 1132418, 1385405, 1583320, 1617740, 1860401, 2216648, 2264836, 2770810, 2831045, 3235480, 3720802, 4529672, 5541620, 5662090, 7441604, 9302005, 11083240, 11324180, 13022807, 14883208, 18604010, 22648360, 26045614, 37208020, 52091228, 65114035, 74416040, 104182456, 130228070, 260456140, 520912280]

約数ペア:

[(1, 520912280), (2, 260456140), (4, 130228070), (5, 104182456), (7, 74416040), (8, 65114035), (10, 52091228), (14, 37208020), (20, 26045614), (23, 22648360), (28, 18604010), (35, 14883208), (40, 13022807), (46, 11324180), (47, 11083240), (56, 9302005), (70, 7441604), (92, 5662090), (94, 5541620), (115, 4529672), (140, 3720802), (161, 3235480), (184, 2831045), (188, 2770810), (230, 2264836), (235, 2216648), (280, 1860401), (322, 1617740), (329, 1583320), (376, 1385405), (460, 1132418), (470, 1108324), (644, 808870), (658, 791660), (805, 647096), (920, 566209), (940, 554162), (1081, 481880), (1288, 404435), (1316, 395830), (1610, 323548), (1645, 316664), (1721, 302680), (1880, 277081), (2162, 240940), (2632, 197915), (3220, 161774), (3290, 158332), (3442, 151340), (4324, 120470), (5405, 96376), (6440, 80887), (6580, 79166), (6884, 75670), (7567, 68840), (8605, 60536), (8648, 60235), (10810, 48188), (12047, 43240), (13160, 39583), (13768, 37835), (15134, 34420), (17210, 30268), (21620, 24094)]