217463360

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{761}}^1$

素因数の和:844

約数の個数: 112

約数和(自身を含む): 557418240

約数和(自身を除く): 339954880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 64, 76, 80, 94, 95, 152, 160, 188, 190, 235, 304, 320, 376, 380, 470, 608, 752, 760, 761, 893, 940, 1216, 1504, 1520, 1522, 1786, 1880, 3008, 3040, 3044, 3572, 3760, 3805, 4465, 6080, 6088, 7144, 7520, 7610, 8930, 12176, 14288, 14459, 15040, 15220, 17860, 24352, 28576, 28918, 30440, 35720, 35767, 48704, 57152, 57836, 60880, 71440, 71534, 72295, 115672, 121760, 142880, 143068, 144590, 178835, 231344, 243520, 285760, 286136, 289180, 357670, 462688, 572272, 578360, 679573, 715340, 925376, 1144544, 1156720, 1359146, 1430680, 2289088, 2313440, 2718292, 2861360, 3397865, 4626880, 5436584, 5722720, 6795730, 10873168, 11445440, 13591460, 21746336, 27182920, 43492672, 54365840, 108731680, 217463360]

約数ペア:

[(1, 217463360), (2, 108731680), (4, 54365840), (5, 43492672), (8, 27182920), (10, 21746336), (16, 13591460), (19, 11445440), (20, 10873168), (32, 6795730), (38, 5722720), (40, 5436584), (47, 4626880), (64, 3397865), (76, 2861360), (80, 2718292), (94, 2313440), (95, 2289088), (152, 1430680), (160, 1359146), (188, 1156720), (190, 1144544), (235, 925376), (304, 715340), (320, 679573), (376, 578360), (380, 572272), (470, 462688), (608, 357670), (752, 289180), (760, 286136), (761, 285760), (893, 243520), (940, 231344), (1216, 178835), (1504, 144590), (1520, 143068), (1522, 142880), (1786, 121760), (1880, 115672), (3008, 72295), (3040, 71534), (3044, 71440), (3572, 60880), (3760, 57836), (3805, 57152), (4465, 48704), (6080, 35767), (6088, 35720), (7144, 30440), (7520, 28918), (7610, 28576), (8930, 24352), (12176, 17860), (14288, 15220), (14459, 15040)]