28840272

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:300

約数の個数: 80

約数和(自身を含む): 77584320

約数和(自身を除く): 48744048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 89, 129, 157, 172, 178, 258, 267, 314, 344, 356, 471, 516, 534, 628, 688, 712, 942, 1032, 1068, 1256, 1424, 1884, 2064, 2136, 2512, 3768, 3827, 4272, 6751, 7536, 7654, 11481, 13502, 13973, 15308, 20253, 22962, 27004, 27946, 30616, 40506, 41919, 45924, 54008, 55892, 61232, 81012, 83838, 91848, 108016, 111784, 162024, 167676, 183696, 223568, 324048, 335352, 600839, 670704, 1201678, 1802517, 2403356, 3605034, 4806712, 7210068, 9613424, 14420136, 28840272]

約数ペア:

[(1, 28840272), (2, 14420136), (3, 9613424), (4, 7210068), (6, 4806712), (8, 3605034), (12, 2403356), (16, 1802517), (24, 1201678), (43, 670704), (48, 600839), (86, 335352), (89, 324048), (129, 223568), (157, 183696), (172, 167676), (178, 162024), (258, 111784), (267, 108016), (314, 91848), (344, 83838), (356, 81012), (471, 61232), (516, 55892), (534, 54008), (628, 45924), (688, 41919), (712, 40506), (942, 30616), (1032, 27946), (1068, 27004), (1256, 22962), (1424, 20253), (1884, 15308), (2064, 13973), (2136, 13502), (2512, 11481), (3768, 7654), (3827, 7536), (4272, 6751)]