89138840

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 128

約数和(自身を含む): 239760000

約数和(自身を除く): 150621160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 73, 89, 98, 140, 146, 178, 196, 245, 280, 292, 343, 356, 365, 392, 445, 490, 511, 584, 623, 686, 712, 730, 890, 980, 1022, 1246, 1372, 1460, 1715, 1780, 1960, 2044, 2492, 2555, 2744, 2920, 3115, 3430, 3560, 3577, 4088, 4361, 4984, 5110, 6230, 6497, 6860, 7154, 8722, 10220, 12460, 12994, 13720, 14308, 17444, 17885, 20440, 21805, 24920, 25039, 25988, 28616, 30527, 32485, 34888, 35770, 43610, 45479, 50078, 51976, 61054, 64970, 71540, 87220, 90958, 100156, 122108, 125195, 129940, 143080, 152635, 174440, 181916, 200312, 227395, 244216, 250390, 259880, 305270, 318353, 363832, 454790, 500780, 610540, 636706, 909580, 1001560, 1221080, 1273412, 1591765, 1819160, 2228471, 2546824, 3183530, 4456942, 6367060, 8913884, 11142355, 12734120, 17827768, 22284710, 44569420, 89138840]

約数ペア:

[(1, 89138840), (2, 44569420), (4, 22284710), (5, 17827768), (7, 12734120), (8, 11142355), (10, 8913884), (14, 6367060), (20, 4456942), (28, 3183530), (35, 2546824), (40, 2228471), (49, 1819160), (56, 1591765), (70, 1273412), (73, 1221080), (89, 1001560), (98, 909580), (140, 636706), (146, 610540), (178, 500780), (196, 454790), (245, 363832), (280, 318353), (292, 305270), (343, 259880), (356, 250390), (365, 244216), (392, 227395), (445, 200312), (490, 181916), (511, 174440), (584, 152635), (623, 143080), (686, 129940), (712, 125195), (730, 122108), (890, 100156), (980, 90958), (1022, 87220), (1246, 71540), (1372, 64970), (1460, 61054), (1715, 51976), (1780, 50078), (1960, 45479), (2044, 43610), (2492, 35770), (2555, 34888), (2744, 32485), (2920, 30527), (3115, 28616), (3430, 25988), (3560, 25039), (3577, 24920), (4088, 21805), (4361, 20440), (4984, 17885), (5110, 17444), (6230, 14308), (6497, 13720), (6860, 12994), (7154, 12460), (8722, 10220)]