10144220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 22226400

約数和(自身を除く): 12082180

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 139, 164, 178, 205, 278, 356, 410, 445, 556, 695, 820, 890, 1390, 1780, 2780, 3649, 5699, 7298, 11398, 12371, 14596, 18245, 22796, 24742, 28495, 36490, 49484, 56990, 61855, 72980, 113980, 123710, 247420, 507211, 1014422, 2028844, 2536055, 5072110, 10144220]

約数ペア:

[(1, 10144220), (2, 5072110), (4, 2536055), (5, 2028844), (10, 1014422), (20, 507211), (41, 247420), (82, 123710), (89, 113980), (139, 72980), (164, 61855), (178, 56990), (205, 49484), (278, 36490), (356, 28495), (410, 24742), (445, 22796), (556, 18245), (695, 14596), (820, 12371), (890, 11398), (1390, 7298), (1780, 5699), (2780, 3649)]