207629360

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 495599232

約数和(自身を除く): 287969872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 157, 244, 271, 305, 314, 488, 542, 610, 628, 785, 976, 1084, 1220, 1256, 1355, 1570, 2168, 2440, 2512, 2710, 3140, 4336, 4880, 5420, 6280, 9577, 10840, 12560, 16531, 19154, 21680, 33062, 38308, 42547, 47885, 66124, 76616, 82655, 85094, 95770, 132248, 153232, 165310, 170188, 191540, 212735, 264496, 330620, 340376, 383080, 425470, 661240, 680752, 766160, 850940, 1322480, 1701880, 2595367, 3403760, 5190734, 10381468, 12976835, 20762936, 25953670, 41525872, 51907340, 103814680, 207629360]

約数ペア:

[(1, 207629360), (2, 103814680), (4, 51907340), (5, 41525872), (8, 25953670), (10, 20762936), (16, 12976835), (20, 10381468), (40, 5190734), (61, 3403760), (80, 2595367), (122, 1701880), (157, 1322480), (244, 850940), (271, 766160), (305, 680752), (314, 661240), (488, 425470), (542, 383080), (610, 340376), (628, 330620), (785, 264496), (976, 212735), (1084, 191540), (1220, 170188), (1256, 165310), (1355, 153232), (1570, 132248), (2168, 95770), (2440, 85094), (2512, 82655), (2710, 76616), (3140, 66124), (4336, 47885), (4880, 42547), (5420, 38308), (6280, 33062), (9577, 21680), (10840, 19154), (12560, 16531)]