2044721840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{77687}}^1$

素因数の和:77754

約数の個数: 80

約数和(自身を含む): 5548787712

約数和(自身を除く): 3504065872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2632, 3290, 3760, 5264, 6580, 13160, 26320, 77687, 155374, 310748, 388435, 543809, 621496, 776870, 1087618, 1242992, 1553740, 2175236, 2719045, 3107480, 3651289, 4350472, 5438090, 6214960, 7302578, 8700944, 10876180, 14605156, 18256445, 21752360, 25559023, 29210312, 36512890, 43504720, 51118046, 58420624, 73025780, 102236092, 127795115, 146051560, 204472184, 255590230, 292103120, 408944368, 511180460, 1022360920, 2044721840]

約数ペア:

[(1, 2044721840), (2, 1022360920), (4, 511180460), (5, 408944368), (7, 292103120), (8, 255590230), (10, 204472184), (14, 146051560), (16, 127795115), (20, 102236092), (28, 73025780), (35, 58420624), (40, 51118046), (47, 43504720), (56, 36512890), (70, 29210312), (80, 25559023), (94, 21752360), (112, 18256445), (140, 14605156), (188, 10876180), (235, 8700944), (280, 7302578), (329, 6214960), (376, 5438090), (470, 4350472), (560, 3651289), (658, 3107480), (752, 2719045), (940, 2175236), (1316, 1553740), (1645, 1242992), (1880, 1087618), (2632, 776870), (3290, 621496), (3760, 543809), (5264, 388435), (6580, 310748), (13160, 155374), (26320, 77687)]