210008140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 518464800

約数和(自身を除く): 308456660

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 29, 34, 38, 58, 59, 68, 76, 85, 95, 116, 118, 145, 170, 190, 236, 290, 295, 323, 340, 361, 380, 493, 551, 580, 590, 646, 722, 986, 1003, 1102, 1121, 1180, 1292, 1444, 1615, 1711, 1805, 1972, 2006, 2204, 2242, 2465, 2755, 3230, 3422, 3610, 4012, 4484, 4930, 5015, 5510, 5605, 6137, 6460, 6844, 7220, 8555, 9367, 9860, 10030, 10469, 11020, 11210, 12274, 17110, 18734, 19057, 20060, 20938, 21299, 22420, 24548, 29087, 30685, 32509, 34220, 37468, 38114, 41876, 42598, 46835, 52345, 58174, 61370, 65018, 76228, 85196, 93670, 95285, 104690, 106495, 116348, 122740, 130036, 145435, 162545, 177973, 187340, 190570, 209380, 212990, 290870, 325090, 355946, 362083, 381140, 425980, 552653, 581740, 617671, 650180, 711892, 724166, 889865, 1105306, 1235342, 1448332, 1779730, 1810415, 2210612, 2470684, 2763265, 3088355, 3559460, 3620830, 5526530, 6176710, 7241660, 10500407, 11053060, 12353420, 21000814, 42001628, 52502035, 105004070, 210008140]

約数ペア:

[(1, 210008140), (2, 105004070), (4, 52502035), (5, 42001628), (10, 21000814), (17, 12353420), (19, 11053060), (20, 10500407), (29, 7241660), (34, 6176710), (38, 5526530), (58, 3620830), (59, 3559460), (68, 3088355), (76, 2763265), (85, 2470684), (95, 2210612), (116, 1810415), (118, 1779730), (145, 1448332), (170, 1235342), (190, 1105306), (236, 889865), (290, 724166), (295, 711892), (323, 650180), (340, 617671), (361, 581740), (380, 552653), (493, 425980), (551, 381140), (580, 362083), (590, 355946), (646, 325090), (722, 290870), (986, 212990), (1003, 209380), (1102, 190570), (1121, 187340), (1180, 177973), (1292, 162545), (1444, 145435), (1615, 130036), (1711, 122740), (1805, 116348), (1972, 106495), (2006, 104690), (2204, 95285), (2242, 93670), (2465, 85196), (2755, 76228), (3230, 65018), (3422, 61370), (3610, 58174), (4012, 52345), (4484, 46835), (4930, 42598), (5015, 41876), (5510, 38114), (5605, 37468), (6137, 34220), (6460, 32509), (6844, 30685), (7220, 29087), (8555, 24548), (9367, 22420), (9860, 21299), (10030, 20938), (10469, 20060), (11020, 19057), (11210, 18734), (12274, 17110)]