290738560

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 192

約数和(自身を含む): 826053120

約数和(自身を除く): 535314560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 73, 80, 98, 112, 127, 128, 140, 146, 160, 196, 224, 245, 254, 280, 292, 320, 365, 392, 448, 490, 508, 511, 560, 584, 635, 640, 730, 784, 889, 896, 980, 1016, 1022, 1120, 1168, 1270, 1460, 1568, 1778, 1960, 2032, 2044, 2240, 2336, 2540, 2555, 2920, 3136, 3556, 3577, 3920, 4064, 4088, 4445, 4480, 4672, 5080, 5110, 5840, 6223, 6272, 7112, 7154, 7840, 8128, 8176, 8890, 9271, 9344, 10160, 10220, 11680, 12446, 14224, 14308, 15680, 16256, 16352, 17780, 17885, 18542, 20320, 20440, 23360, 24892, 28448, 28616, 31115, 31360, 32704, 35560, 35770, 37084, 40640, 40880, 46355, 46720, 49784, 56896, 57232, 62230, 64897, 65408, 71120, 71540, 74168, 81280, 81760, 92710, 99568, 113792, 114464, 124460, 129794, 142240, 143080, 148336, 163520, 185420, 199136, 228928, 248920, 259588, 284480, 286160, 296672, 324485, 327040, 370840, 398272, 454279, 457856, 497840, 519176, 568960, 572320, 593344, 648970, 741680, 796544, 908558, 995680, 1038352, 1144640, 1186688, 1297940, 1483360, 1817116, 1991360, 2076704, 2271395, 2289280, 2595880, 2966720, 3634232, 3982720, 4153408, 4542790, 5191760, 5933440, 7268464, 8306816, 9085580, 10383520, 14536928, 18171160, 20767040, 29073856, 36342320, 41534080, 58147712, 72684640, 145369280, 290738560]

約数ペア:

[(1, 290738560), (2, 145369280), (4, 72684640), (5, 58147712), (7, 41534080), (8, 36342320), (10, 29073856), (14, 20767040), (16, 18171160), (20, 14536928), (28, 10383520), (32, 9085580), (35, 8306816), (40, 7268464), (49, 5933440), (56, 5191760), (64, 4542790), (70, 4153408), (73, 3982720), (80, 3634232), (98, 2966720), (112, 2595880), (127, 2289280), (128, 2271395), (140, 2076704), (146, 1991360), (160, 1817116), (196, 1483360), (224, 1297940), (245, 1186688), (254, 1144640), (280, 1038352), (292, 995680), (320, 908558), (365, 796544), (392, 741680), (448, 648970), (490, 593344), (508, 572320), (511, 568960), (560, 519176), (584, 497840), (635, 457856), (640, 454279), (730, 398272), (784, 370840), (889, 327040), (896, 324485), (980, 296672), (1016, 286160), (1022, 284480), (1120, 259588), (1168, 248920), (1270, 228928), (1460, 199136), (1568, 185420), (1778, 163520), (1960, 148336), (2032, 143080), (2044, 142240), (2240, 129794), (2336, 124460), (2540, 114464), (2555, 113792), (2920, 99568), (3136, 92710), (3556, 81760), (3577, 81280), (3920, 74168), (4064, 71540), (4088, 71120), (4445, 65408), (4480, 64897), (4672, 62230), (5080, 57232), (5110, 56896), (5840, 49784), (6223, 46720), (6272, 46355), (7112, 40880), (7154, 40640), (7840, 37084), (8128, 35770), (8176, 35560), (8890, 32704), (9271, 31360), (9344, 31115), (10160, 28616), (10220, 28448), (11680, 24892), (12446, 23360), (14224, 20440), (14308, 20320), (15680, 18542), (16256, 17885), (16352, 17780)]