128999200

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:275

約数の個数: 144

約数和(自身を含む): 349290144

約数和(自身を除く): 220290944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 107, 110, 137, 160, 176, 200, 214, 220, 274, 275, 352, 400, 428, 440, 535, 548, 550, 685, 800, 856, 880, 1070, 1096, 1100, 1177, 1370, 1507, 1712, 1760, 2140, 2192, 2200, 2354, 2675, 2740, 3014, 3424, 3425, 4280, 4384, 4400, 4708, 5350, 5480, 5885, 6028, 6850, 7535, 8560, 8800, 9416, 10700, 10960, 11770, 12056, 13700, 14659, 15070, 17120, 18832, 21400, 21920, 23540, 24112, 27400, 29318, 29425, 30140, 37664, 37675, 42800, 47080, 48224, 54800, 58636, 58850, 60280, 73295, 75350, 85600, 94160, 109600, 117272, 117700, 120560, 146590, 150700, 161249, 188320, 234544, 235400, 241120, 293180, 301400, 322498, 366475, 469088, 470800, 586360, 602800, 644996, 732950, 806245, 941600, 1172720, 1205600, 1289992, 1465900, 1612490, 2345440, 2579984, 2931800, 3224980, 4031225, 5159968, 5863600, 6449960, 8062450, 11727200, 12899920, 16124900, 25799840, 32249800, 64499600, 128999200]

約数ペア:

[(1, 128999200), (2, 64499600), (4, 32249800), (5, 25799840), (8, 16124900), (10, 12899920), (11, 11727200), (16, 8062450), (20, 6449960), (22, 5863600), (25, 5159968), (32, 4031225), (40, 3224980), (44, 2931800), (50, 2579984), (55, 2345440), (80, 1612490), (88, 1465900), (100, 1289992), (107, 1205600), (110, 1172720), (137, 941600), (160, 806245), (176, 732950), (200, 644996), (214, 602800), (220, 586360), (274, 470800), (275, 469088), (352, 366475), (400, 322498), (428, 301400), (440, 293180), (535, 241120), (548, 235400), (550, 234544), (685, 188320), (800, 161249), (856, 150700), (880, 146590), (1070, 120560), (1096, 117700), (1100, 117272), (1177, 109600), (1370, 94160), (1507, 85600), (1712, 75350), (1760, 73295), (2140, 60280), (2192, 58850), (2200, 58636), (2354, 54800), (2675, 48224), (2740, 47080), (3014, 42800), (3424, 37675), (3425, 37664), (4280, 30140), (4384, 29425), (4400, 29318), (4708, 27400), (5350, 24112), (5480, 23540), (5885, 21920), (6028, 21400), (6850, 18832), (7535, 17120), (8560, 15070), (8800, 14659), (9416, 13700), (10700, 12056), (10960, 11770)]