102990800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:381

約数の個数: 120

約数和(自身を含む): 274000320

約数和(自身を除く): 171009520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 89, 100, 110, 176, 178, 200, 220, 263, 275, 356, 400, 440, 445, 526, 550, 712, 880, 890, 979, 1052, 1100, 1315, 1424, 1780, 1958, 2104, 2200, 2225, 2630, 2893, 3560, 3916, 4208, 4400, 4450, 4895, 5260, 5786, 6575, 7120, 7832, 8900, 9790, 10520, 11572, 13150, 14465, 15664, 17800, 19580, 21040, 23144, 23407, 24475, 26300, 28930, 35600, 39160, 46288, 46814, 48950, 52600, 57860, 72325, 78320, 93628, 97900, 105200, 115720, 117035, 144650, 187256, 195800, 231440, 234070, 257477, 289300, 374512, 391600, 468140, 514954, 578600, 585175, 936280, 1029908, 1157200, 1170350, 1287385, 1872560, 2059816, 2340700, 2574770, 4119632, 4681400, 5149540, 6436925, 9362800, 10299080, 12873850, 20598160, 25747700, 51495400, 102990800]

約数ペア:

[(1, 102990800), (2, 51495400), (4, 25747700), (5, 20598160), (8, 12873850), (10, 10299080), (11, 9362800), (16, 6436925), (20, 5149540), (22, 4681400), (25, 4119632), (40, 2574770), (44, 2340700), (50, 2059816), (55, 1872560), (80, 1287385), (88, 1170350), (89, 1157200), (100, 1029908), (110, 936280), (176, 585175), (178, 578600), (200, 514954), (220, 468140), (263, 391600), (275, 374512), (356, 289300), (400, 257477), (440, 234070), (445, 231440), (526, 195800), (550, 187256), (712, 144650), (880, 117035), (890, 115720), (979, 105200), (1052, 97900), (1100, 93628), (1315, 78320), (1424, 72325), (1780, 57860), (1958, 52600), (2104, 48950), (2200, 46814), (2225, 46288), (2630, 39160), (2893, 35600), (3560, 28930), (3916, 26300), (4208, 24475), (4400, 23407), (4450, 23144), (4895, 21040), (5260, 19580), (5786, 17800), (6575, 15664), (7120, 14465), (7832, 13150), (8900, 11572), (9790, 10520)]