280297496

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1051}}^1$

素因数の和:1164

約数の個数: 64

約数和(自身を含む): 582850080

約数和(自身を除く): 302552584

約数列:

[1, 2, 4, 8, 17, 34, 37, 53, 68, 74, 106, 136, 148, 212, 296, 424, 629, 901, 1051, 1258, 1802, 1961, 2102, 2516, 3604, 3922, 4204, 5032, 7208, 7844, 8408, 15688, 17867, 33337, 35734, 38887, 55703, 66674, 71468, 77774, 111406, 133348, 142936, 155548, 222812, 266696, 311096, 445624, 661079, 946951, 1322158, 1893902, 2061011, 2644316, 3787804, 4122022, 5288632, 7575608, 8244044, 16488088, 35037187, 70074374, 140148748, 280297496]

約数ペア:

[(1, 280297496), (2, 140148748), (4, 70074374), (8, 35037187), (17, 16488088), (34, 8244044), (37, 7575608), (53, 5288632), (68, 4122022), (74, 3787804), (106, 2644316), (136, 2061011), (148, 1893902), (212, 1322158), (296, 946951), (424, 661079), (629, 445624), (901, 311096), (1051, 266696), (1258, 222812), (1802, 155548), (1961, 142936), (2102, 133348), (2516, 111406), (3604, 77774), (3922, 71468), (4204, 66674), (5032, 55703), (7208, 38887), (7844, 35734), (8408, 33337), (15688, 17867)]