199990512

素因数分解:

$2^4\times 3^3\times {\mathrm{457}}^1\times {\mathrm{1013}}^1$

素因数の和:1487

約数の個数: 80

約数和(自身を含む): 575870880

約数和(自身を除く): 375880368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 457, 914, 1013, 1371, 1828, 2026, 2742, 3039, 3656, 4052, 4113, 5484, 6078, 7312, 8104, 8226, 9117, 10968, 12156, 12339, 16208, 16452, 18234, 21936, 24312, 24678, 27351, 32904, 36468, 48624, 49356, 54702, 65808, 72936, 98712, 109404, 145872, 197424, 218808, 437616, 462941, 925882, 1388823, 1851764, 2777646, 3703528, 4166469, 5555292, 7407056, 8332938, 11110584, 12499407, 16665876, 22221168, 24998814, 33331752, 49997628, 66663504, 99995256, 199990512]

約数ペア:

[(1, 199990512), (2, 99995256), (3, 66663504), (4, 49997628), (6, 33331752), (8, 24998814), (9, 22221168), (12, 16665876), (16, 12499407), (18, 11110584), (24, 8332938), (27, 7407056), (36, 5555292), (48, 4166469), (54, 3703528), (72, 2777646), (108, 1851764), (144, 1388823), (216, 925882), (432, 462941), (457, 437616), (914, 218808), (1013, 197424), (1371, 145872), (1828, 109404), (2026, 98712), (2742, 72936), (3039, 65808), (3656, 54702), (4052, 49356), (4113, 48624), (5484, 36468), (6078, 32904), (7312, 27351), (8104, 24678), (8226, 24312), (9117, 21936), (10968, 18234), (12156, 16452), (12339, 16208)]