77785180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2699}}^1$

素因数の和:2850

約数の個数: 48

約数和(自身を含む): 179625600

約数和(自身を除く): 101840420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1441, 2620, 2699, 2882, 5398, 5764, 7205, 10796, 13495, 14410, 26990, 28820, 29689, 53980, 59378, 118756, 148445, 296890, 353569, 593780, 707138, 1414276, 1767845, 3535690, 3889259, 7071380, 7778518, 15557036, 19446295, 38892590, 77785180]

約数ペア:

[(1, 77785180), (2, 38892590), (4, 19446295), (5, 15557036), (10, 7778518), (11, 7071380), (20, 3889259), (22, 3535690), (44, 1767845), (55, 1414276), (110, 707138), (131, 593780), (220, 353569), (262, 296890), (524, 148445), (655, 118756), (1310, 59378), (1441, 53980), (2620, 29689), (2699, 28820), (2882, 26990), (5398, 14410), (5764, 13495), (7205, 10796)]