71704220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{277}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 176821344

約数和(自身を除く): 105117124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 277, 301, 430, 554, 602, 860, 1108, 1204, 1385, 1505, 1849, 1939, 2770, 3010, 3698, 3878, 5540, 6020, 7396, 7756, 9245, 9695, 11911, 12943, 18490, 19390, 23822, 25886, 36980, 38780, 47644, 51772, 59555, 64715, 83377, 119110, 129430, 166754, 238220, 258860, 333508, 416885, 512173, 833770, 1024346, 1667540, 2048692, 2560865, 3585211, 5121730, 7170422, 10243460, 14340844, 17926055, 35852110, 71704220]

約数ペア:

[(1, 71704220), (2, 35852110), (4, 17926055), (5, 14340844), (7, 10243460), (10, 7170422), (14, 5121730), (20, 3585211), (28, 2560865), (35, 2048692), (43, 1667540), (70, 1024346), (86, 833770), (140, 512173), (172, 416885), (215, 333508), (277, 258860), (301, 238220), (430, 166754), (554, 129430), (602, 119110), (860, 83377), (1108, 64715), (1204, 59555), (1385, 51772), (1505, 47644), (1849, 38780), (1939, 36980), (2770, 25886), (3010, 23822), (3698, 19390), (3878, 18490), (5540, 12943), (6020, 11911), (7396, 9695), (7756, 9245)]