205770320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9931}}^1$

素因数の和:9988

約数の個数: 80

約数和(自身を含む): 561595008

約数和(自身を除く): 355824688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1480, 2072, 2590, 2960, 4144, 5180, 9931, 10360, 19862, 20720, 39724, 49655, 69517, 79448, 99310, 139034, 158896, 198620, 278068, 347585, 367447, 397240, 556136, 695170, 734894, 794480, 1112272, 1390340, 1469788, 1837235, 2572129, 2780680, 2939576, 3674470, 5144258, 5561360, 5879152, 7348940, 10288516, 12860645, 14697880, 20577032, 25721290, 29395760, 41154064, 51442580, 102885160, 205770320]

約数ペア:

[(1, 205770320), (2, 102885160), (4, 51442580), (5, 41154064), (7, 29395760), (8, 25721290), (10, 20577032), (14, 14697880), (16, 12860645), (20, 10288516), (28, 7348940), (35, 5879152), (37, 5561360), (40, 5144258), (56, 3674470), (70, 2939576), (74, 2780680), (80, 2572129), (112, 1837235), (140, 1469788), (148, 1390340), (185, 1112272), (259, 794480), (280, 734894), (296, 695170), (370, 556136), (518, 397240), (560, 367447), (592, 347585), (740, 278068), (1036, 198620), (1295, 158896), (1480, 139034), (2072, 99310), (2590, 79448), (2960, 69517), (4144, 49655), (5180, 39724), (9931, 20720), (10360, 19862)]