216971505520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{35222647}}^1$

素因数の和:35222678

約数の個数: 80

約数和(自身を含む): 628935602688

約数和(自身を除く): 411964097168

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 35222647, 70445294, 140890588, 176113235, 246558529, 281781176, 352226470, 387449117, 493117058, 563562352, 704452940, 774898234, 986234116, 1232792645, 1408905880, 1549796468, 1937245585, 1972468232, 2465585290, 2712143819, 2817811760, 3099592936, 3874491170, 3944936464, 4931170580, 5424287638, 6199185872, 7748982340, 9862341160, 10848575276, 13560719095, 15497964680, 19724682320, 21697150552, 27121438190, 30995929360, 43394301104, 54242876380, 108485752760, 216971505520]

約数ペア:

[(1, 216971505520), (2, 108485752760), (4, 54242876380), (5, 43394301104), (7, 30995929360), (8, 27121438190), (10, 21697150552), (11, 19724682320), (14, 15497964680), (16, 13560719095), (20, 10848575276), (22, 9862341160), (28, 7748982340), (35, 6199185872), (40, 5424287638), (44, 4931170580), (55, 3944936464), (56, 3874491170), (70, 3099592936), (77, 2817811760), (80, 2712143819), (88, 2465585290), (110, 1972468232), (112, 1937245585), (140, 1549796468), (154, 1408905880), (176, 1232792645), (220, 986234116), (280, 774898234), (308, 704452940), (385, 563562352), (440, 493117058), (560, 387449117), (616, 352226470), (770, 281781176), (880, 246558529), (1232, 176113235), (1540, 140890588), (3080, 70445294), (6160, 35222647)]