22207220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1249}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 53760000

約数和(自身を除く): 31552780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1249, 1270, 1778, 2498, 2540, 3556, 4445, 4996, 6245, 8743, 8890, 12490, 17486, 17780, 24980, 34972, 43715, 87430, 158623, 174860, 317246, 634492, 793115, 1110361, 1586230, 2220722, 3172460, 4441444, 5551805, 11103610, 22207220]

約数ペア:

[(1, 22207220), (2, 11103610), (4, 5551805), (5, 4441444), (7, 3172460), (10, 2220722), (14, 1586230), (20, 1110361), (28, 793115), (35, 634492), (70, 317246), (127, 174860), (140, 158623), (254, 87430), (508, 43715), (635, 34972), (889, 24980), (1249, 17780), (1270, 17486), (1778, 12490), (2498, 8890), (2540, 8743), (3556, 6245), (4445, 4996)]