2744140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1153}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 6979392

約数和(自身を除く): 4235252

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1153, 1190, 2306, 2380, 4612, 5765, 8071, 11530, 16142, 19601, 23060, 32284, 39202, 40355, 78404, 80710, 98005, 137207, 161420, 196010, 274414, 392020, 548828, 686035, 1372070, 2744140]

約数ペア:

[(1, 2744140), (2, 1372070), (4, 686035), (5, 548828), (7, 392020), (10, 274414), (14, 196010), (17, 161420), (20, 137207), (28, 98005), (34, 80710), (35, 78404), (68, 40355), (70, 39202), (85, 32284), (119, 23060), (140, 19601), (170, 16142), (238, 11530), (340, 8071), (476, 5765), (595, 4612), (1153, 2380), (1190, 2306)]