197827140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20479}}^1$

素因数の和:20521

約数の個数: 96

約数和(自身を含む): 660602880

約数和(自身を除く): 462775740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 3220, 4830, 9660, 20479, 40958, 61437, 81916, 102395, 122874, 143353, 204790, 245748, 286706, 307185, 409580, 430059, 471017, 573412, 614370, 716765, 860118, 942034, 1228740, 1413051, 1433530, 1720236, 1884068, 2150295, 2355085, 2826102, 2867060, 3297119, 4300590, 4710170, 5652204, 6594238, 7065255, 8601180, 9420340, 9891357, 13188476, 14130510, 16485595, 19782714, 28261020, 32971190, 39565428, 49456785, 65942380, 98913570, 197827140]

約数ペア:

[(1, 197827140), (2, 98913570), (3, 65942380), (4, 49456785), (5, 39565428), (6, 32971190), (7, 28261020), (10, 19782714), (12, 16485595), (14, 14130510), (15, 13188476), (20, 9891357), (21, 9420340), (23, 8601180), (28, 7065255), (30, 6594238), (35, 5652204), (42, 4710170), (46, 4300590), (60, 3297119), (69, 2867060), (70, 2826102), (84, 2355085), (92, 2150295), (105, 1884068), (115, 1720236), (138, 1433530), (140, 1413051), (161, 1228740), (210, 942034), (230, 860118), (276, 716765), (322, 614370), (345, 573412), (420, 471017), (460, 430059), (483, 409580), (644, 307185), (690, 286706), (805, 245748), (966, 204790), (1380, 143353), (1610, 122874), (1932, 102395), (2415, 81916), (3220, 61437), (4830, 40958), (9660, 20479)]