223760240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2857}}^1$

素因数の和:2970

約数の個数: 80

約数和(自身を含む): 574115040

約数和(自身を除く): 350354800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 176, 178, 220, 356, 440, 445, 712, 880, 890, 979, 1424, 1780, 1958, 2857, 3560, 3916, 4895, 5714, 7120, 7832, 9790, 11428, 14285, 15664, 19580, 22856, 28570, 31427, 39160, 45712, 57140, 62854, 78320, 114280, 125708, 157135, 228560, 251416, 254273, 314270, 502832, 508546, 628540, 1017092, 1257080, 1271365, 2034184, 2514160, 2542730, 2797003, 4068368, 5085460, 5594006, 10170920, 11188012, 13985015, 20341840, 22376024, 27970030, 44752048, 55940060, 111880120, 223760240]

約数ペア:

[(1, 223760240), (2, 111880120), (4, 55940060), (5, 44752048), (8, 27970030), (10, 22376024), (11, 20341840), (16, 13985015), (20, 11188012), (22, 10170920), (40, 5594006), (44, 5085460), (55, 4068368), (80, 2797003), (88, 2542730), (89, 2514160), (110, 2034184), (176, 1271365), (178, 1257080), (220, 1017092), (356, 628540), (440, 508546), (445, 502832), (712, 314270), (880, 254273), (890, 251416), (979, 228560), (1424, 157135), (1780, 125708), (1958, 114280), (2857, 78320), (3560, 62854), (3916, 57140), (4895, 45712), (5714, 39160), (7120, 31427), (7832, 28570), (9790, 22856), (11428, 19580), (14285, 15664)]