1990993708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 3992002560

約数和(自身を除く): 2001008852

約数列:

[1, 2, 4, 11, 22, 44, 67, 79, 83, 103, 134, 158, 166, 206, 268, 316, 332, 412, 737, 869, 913, 1133, 1474, 1738, 1826, 2266, 2948, 3476, 3652, 4532, 5293, 5561, 6557, 6901, 8137, 8549, 10586, 11122, 13114, 13802, 16274, 17098, 21172, 22244, 26228, 27604, 32548, 34196, 58223, 61171, 72127, 75911, 89507, 94039, 116446, 122342, 144254, 151822, 179014, 188078, 232892, 244684, 288508, 303644, 358028, 376156, 439319, 545179, 572783, 675371, 878638, 1090358, 1145566, 1350742, 1757276, 2180716, 2291132, 2701484, 4832509, 5996969, 6300613, 7429081, 9665018, 11993938, 12601226, 14858162, 19330036, 23987876, 25202452, 29716324, 45249857, 90499714, 180999428, 497748427, 995496854, 1990993708]

約数ペア:

[(1, 1990993708), (2, 995496854), (4, 497748427), (11, 180999428), (22, 90499714), (44, 45249857), (67, 29716324), (79, 25202452), (83, 23987876), (103, 19330036), (134, 14858162), (158, 12601226), (166, 11993938), (206, 9665018), (268, 7429081), (316, 6300613), (332, 5996969), (412, 4832509), (737, 2701484), (869, 2291132), (913, 2180716), (1133, 1757276), (1474, 1350742), (1738, 1145566), (1826, 1090358), (2266, 878638), (2948, 675371), (3476, 572783), (3652, 545179), (4532, 439319), (5293, 376156), (5561, 358028), (6557, 303644), (6901, 288508), (8137, 244684), (8549, 232892), (10586, 188078), (11122, 179014), (13114, 151822), (13802, 144254), (16274, 122342), (17098, 116446), (21172, 94039), (22244, 89507), (26228, 75911), (27604, 72127), (32548, 61171), (34196, 58223)]