70886540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{631}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 153849024

約数和(自身を除く): 82962484

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 137, 164, 205, 274, 410, 548, 631, 685, 820, 1262, 1370, 2524, 2740, 3155, 5617, 6310, 11234, 12620, 22468, 25871, 28085, 51742, 56170, 86447, 103484, 112340, 129355, 172894, 258710, 345788, 432235, 517420, 864470, 1728940, 3544327, 7088654, 14177308, 17721635, 35443270, 70886540]

約数ペア:

[(1, 70886540), (2, 35443270), (4, 17721635), (5, 14177308), (10, 7088654), (20, 3544327), (41, 1728940), (82, 864470), (137, 517420), (164, 432235), (205, 345788), (274, 258710), (410, 172894), (548, 129355), (631, 112340), (685, 103484), (820, 86447), (1262, 56170), (1370, 51742), (2524, 28085), (2740, 25871), (3155, 22468), (5617, 12620), (6310, 11234)]