28629860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5527}}^1$

素因数の和:5580

約数の個数: 48

約数和(自身を含む): 70581504

約数和(自身を除く): 41951644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 5527, 11054, 22108, 27635, 38689, 55270, 77378, 110540, 154756, 193445, 204499, 386890, 408998, 773780, 817996, 1022495, 1431493, 2044990, 2862986, 4089980, 5725972, 7157465, 14314930, 28629860]

約数ペア:

[(1, 28629860), (2, 14314930), (4, 7157465), (5, 5725972), (7, 4089980), (10, 2862986), (14, 2044990), (20, 1431493), (28, 1022495), (35, 817996), (37, 773780), (70, 408998), (74, 386890), (140, 204499), (148, 193445), (185, 154756), (259, 110540), (370, 77378), (518, 55270), (740, 38689), (1036, 27635), (1295, 22108), (2590, 11054), (5180, 5527)]