86988990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 128

約数和(自身を含む): 242445312

約数和(自身を除く): 155456322

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 73, 110, 115, 138, 146, 157, 165, 219, 230, 253, 314, 330, 345, 365, 438, 471, 506, 690, 730, 759, 785, 803, 942, 1095, 1265, 1518, 1570, 1606, 1679, 1727, 2190, 2355, 2409, 2530, 3358, 3454, 3611, 3795, 4015, 4710, 4818, 5037, 5181, 7222, 7590, 8030, 8395, 8635, 10074, 10362, 10833, 11461, 12045, 16790, 17270, 18055, 18469, 21666, 22922, 24090, 25185, 25905, 34383, 36110, 36938, 39721, 50370, 51810, 54165, 55407, 57305, 68766, 79442, 92345, 108330, 110814, 114610, 119163, 126071, 171915, 184690, 198605, 238326, 252142, 263603, 277035, 343830, 378213, 397210, 527206, 554070, 595815, 630355, 756426, 790809, 1191630, 1260710, 1318015, 1581618, 1891065, 2636030, 2899633, 3782130, 3954045, 5799266, 7908090, 8698899, 14498165, 17397798, 28996330, 43494495, 86988990]

約数ペア:

[(1, 86988990), (2, 43494495), (3, 28996330), (5, 17397798), (6, 14498165), (10, 8698899), (11, 7908090), (15, 5799266), (22, 3954045), (23, 3782130), (30, 2899633), (33, 2636030), (46, 1891065), (55, 1581618), (66, 1318015), (69, 1260710), (73, 1191630), (110, 790809), (115, 756426), (138, 630355), (146, 595815), (157, 554070), (165, 527206), (219, 397210), (230, 378213), (253, 343830), (314, 277035), (330, 263603), (345, 252142), (365, 238326), (438, 198605), (471, 184690), (506, 171915), (690, 126071), (730, 119163), (759, 114610), (785, 110814), (803, 108330), (942, 92345), (1095, 79442), (1265, 68766), (1518, 57305), (1570, 55407), (1606, 54165), (1679, 51810), (1727, 50370), (2190, 39721), (2355, 36938), (2409, 36110), (2530, 34383), (3358, 25905), (3454, 25185), (3611, 24090), (3795, 22922), (4015, 21666), (4710, 18469), (4818, 18055), (5037, 17270), (5181, 16790), (7222, 12045), (7590, 11461), (8030, 10833), (8395, 10362), (8635, 10074)]