28791070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:433

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 36527330

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 139, 154, 269, 278, 385, 538, 695, 770, 973, 1345, 1390, 1529, 1883, 1946, 2690, 2959, 3058, 3766, 4865, 5918, 7645, 9415, 9730, 10703, 14795, 15290, 18830, 20713, 21406, 29590, 37391, 41426, 53515, 74782, 103565, 107030, 186955, 207130, 261737, 373910, 411301, 523474, 822602, 1308685, 2056505, 2617370, 2879107, 4113010, 5758214, 14395535, 28791070]

約数ペア:

[(1, 28791070), (2, 14395535), (5, 5758214), (7, 4113010), (10, 2879107), (11, 2617370), (14, 2056505), (22, 1308685), (35, 822602), (55, 523474), (70, 411301), (77, 373910), (110, 261737), (139, 207130), (154, 186955), (269, 107030), (278, 103565), (385, 74782), (538, 53515), (695, 41426), (770, 37391), (973, 29590), (1345, 21406), (1390, 20713), (1529, 18830), (1883, 15290), (1946, 14795), (2690, 10703), (2959, 9730), (3058, 9415), (3766, 7645), (4865, 5918)]