86071580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4423}}^1$

素因数の和:4578

約数の個数: 48

約数和(自身を含む): 208104960

約数和(自身を除く): 122033380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4423, 4865, 8846, 9730, 17692, 19460, 22115, 30961, 44230, 61922, 88460, 123844, 154805, 309610, 614797, 619220, 1229594, 2459188, 3073985, 4303579, 6147970, 8607158, 12295940, 17214316, 21517895, 43035790, 86071580]

約数ペア:

[(1, 86071580), (2, 43035790), (4, 21517895), (5, 17214316), (7, 12295940), (10, 8607158), (14, 6147970), (20, 4303579), (28, 3073985), (35, 2459188), (70, 1229594), (139, 619220), (140, 614797), (278, 309610), (556, 154805), (695, 123844), (973, 88460), (1390, 61922), (1946, 44230), (2780, 30961), (3892, 22115), (4423, 19460), (4865, 17692), (8846, 9730)]