206873240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:469

約数の個数: 128

約数和(自身を含む): 559440000

約数和(自身を除く): 352566760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 73, 116, 140, 145, 146, 203, 232, 280, 290, 292, 349, 365, 406, 511, 580, 584, 698, 730, 812, 1015, 1022, 1160, 1396, 1460, 1624, 1745, 2030, 2044, 2117, 2443, 2555, 2792, 2920, 3490, 4060, 4088, 4234, 4886, 5110, 6980, 8120, 8468, 9772, 10121, 10220, 10585, 12215, 13960, 14819, 16936, 19544, 20242, 20440, 21170, 24430, 25477, 29638, 40484, 42340, 48860, 50605, 50954, 59276, 70847, 74095, 80968, 84680, 97720, 101210, 101908, 118552, 127385, 141694, 148190, 178339, 202420, 203816, 254770, 283388, 296380, 354235, 356678, 404840, 509540, 566776, 592760, 708470, 713356, 738833, 891695, 1019080, 1416940, 1426712, 1477666, 1783390, 2833880, 2955332, 3566780, 3694165, 5171831, 5910664, 7133560, 7388330, 10343662, 14776660, 20687324, 25859155, 29553320, 41374648, 51718310, 103436620, 206873240]

約数ペア:

[(1, 206873240), (2, 103436620), (4, 51718310), (5, 41374648), (7, 29553320), (8, 25859155), (10, 20687324), (14, 14776660), (20, 10343662), (28, 7388330), (29, 7133560), (35, 5910664), (40, 5171831), (56, 3694165), (58, 3566780), (70, 2955332), (73, 2833880), (116, 1783390), (140, 1477666), (145, 1426712), (146, 1416940), (203, 1019080), (232, 891695), (280, 738833), (290, 713356), (292, 708470), (349, 592760), (365, 566776), (406, 509540), (511, 404840), (580, 356678), (584, 354235), (698, 296380), (730, 283388), (812, 254770), (1015, 203816), (1022, 202420), (1160, 178339), (1396, 148190), (1460, 141694), (1624, 127385), (1745, 118552), (2030, 101908), (2044, 101210), (2117, 97720), (2443, 84680), (2555, 80968), (2792, 74095), (2920, 70847), (3490, 59276), (4060, 50954), (4088, 50605), (4234, 48860), (4886, 42340), (5110, 40484), (6980, 29638), (8120, 25477), (8468, 24430), (9772, 21170), (10121, 20440), (10220, 20242), (10585, 19544), (12215, 16936), (13960, 14819)]