70978460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 187536384

約数和(自身を除く): 116557924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 47, 49, 67, 70, 92, 94, 98, 115, 134, 140, 161, 188, 196, 230, 235, 245, 268, 322, 329, 335, 460, 469, 470, 490, 644, 658, 670, 805, 938, 940, 980, 1081, 1127, 1316, 1340, 1541, 1610, 1645, 1876, 2162, 2254, 2303, 2345, 3082, 3149, 3220, 3283, 3290, 4324, 4508, 4606, 4690, 5405, 5635, 6164, 6298, 6566, 6580, 7567, 7705, 9212, 9380, 10787, 10810, 11270, 11515, 12596, 13132, 15134, 15410, 15745, 16415, 21574, 21620, 22043, 22540, 23030, 30268, 30820, 31490, 32830, 37835, 43148, 44086, 46060, 52969, 53935, 62980, 65660, 72427, 75509, 75670, 88172, 105938, 107870, 110215, 144854, 151018, 151340, 154301, 211876, 215740, 220430, 264845, 289708, 302036, 308602, 362135, 377545, 440860, 506989, 529690, 617204, 724270, 755090, 771505, 1013978, 1059380, 1448540, 1510180, 1543010, 2027956, 2534945, 3086020, 3548923, 5069890, 7097846, 10139780, 14195692, 17744615, 35489230, 70978460]

約数ペア:

[(1, 70978460), (2, 35489230), (4, 17744615), (5, 14195692), (7, 10139780), (10, 7097846), (14, 5069890), (20, 3548923), (23, 3086020), (28, 2534945), (35, 2027956), (46, 1543010), (47, 1510180), (49, 1448540), (67, 1059380), (70, 1013978), (92, 771505), (94, 755090), (98, 724270), (115, 617204), (134, 529690), (140, 506989), (161, 440860), (188, 377545), (196, 362135), (230, 308602), (235, 302036), (245, 289708), (268, 264845), (322, 220430), (329, 215740), (335, 211876), (460, 154301), (469, 151340), (470, 151018), (490, 144854), (644, 110215), (658, 107870), (670, 105938), (805, 88172), (938, 75670), (940, 75509), (980, 72427), (1081, 65660), (1127, 62980), (1316, 53935), (1340, 52969), (1541, 46060), (1610, 44086), (1645, 43148), (1876, 37835), (2162, 32830), (2254, 31490), (2303, 30820), (2345, 30268), (3082, 23030), (3149, 22540), (3220, 22043), (3283, 21620), (3290, 21574), (4324, 16415), (4508, 15745), (4606, 15410), (4690, 15134), (5405, 13132), (5635, 12596), (6164, 11515), (6298, 11270), (6566, 10810), (6580, 10787), (7567, 9380), (7705, 9212)]