217898240

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:404

約数の個数: 144

約数和(自身を含む): 605743488

約数和(自身を除く): 387845248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 83, 112, 128, 140, 160, 166, 224, 256, 280, 293, 320, 332, 415, 448, 560, 581, 586, 640, 664, 830, 896, 1120, 1162, 1172, 1280, 1328, 1465, 1660, 1792, 2051, 2240, 2324, 2344, 2656, 2905, 2930, 3320, 4102, 4480, 4648, 4688, 5312, 5810, 5860, 6640, 8204, 8960, 9296, 9376, 10255, 10624, 11620, 11720, 13280, 16408, 18592, 18752, 20510, 21248, 23240, 23440, 24319, 26560, 32816, 37184, 37504, 41020, 46480, 46880, 48638, 53120, 65632, 74368, 75008, 82040, 92960, 93760, 97276, 106240, 121595, 131264, 148736, 164080, 170233, 185920, 187520, 194552, 243190, 262528, 328160, 340466, 371840, 375040, 389104, 486380, 525056, 656320, 680932, 743680, 778208, 851165, 972760, 1312640, 1361864, 1556416, 1702330, 1945520, 2625280, 2723728, 3112832, 3404660, 3891040, 5447456, 6225664, 6809320, 7782080, 10894912, 13618640, 15564160, 21789824, 27237280, 31128320, 43579648, 54474560, 108949120, 217898240]

約数ペア:

[(1, 217898240), (2, 108949120), (4, 54474560), (5, 43579648), (7, 31128320), (8, 27237280), (10, 21789824), (14, 15564160), (16, 13618640), (20, 10894912), (28, 7782080), (32, 6809320), (35, 6225664), (40, 5447456), (56, 3891040), (64, 3404660), (70, 3112832), (80, 2723728), (83, 2625280), (112, 1945520), (128, 1702330), (140, 1556416), (160, 1361864), (166, 1312640), (224, 972760), (256, 851165), (280, 778208), (293, 743680), (320, 680932), (332, 656320), (415, 525056), (448, 486380), (560, 389104), (581, 375040), (586, 371840), (640, 340466), (664, 328160), (830, 262528), (896, 243190), (1120, 194552), (1162, 187520), (1172, 185920), (1280, 170233), (1328, 164080), (1465, 148736), (1660, 131264), (1792, 121595), (2051, 106240), (2240, 97276), (2324, 93760), (2344, 92960), (2656, 82040), (2905, 75008), (2930, 74368), (3320, 65632), (4102, 53120), (4480, 48638), (4648, 46880), (4688, 46480), (5312, 41020), (5810, 37504), (5860, 37184), (6640, 32816), (8204, 26560), (8960, 24319), (9296, 23440), (9376, 23240), (10255, 21248), (10624, 20510), (11620, 18752), (11720, 18592), (13280, 16408)]