7451036620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1\times {\mathrm{2789}}^1$

素因数の和:2999

約数の個数: 72

約数和(自身を含む): 16290363600

約数和(自身を除く): 8839326980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 556, 620, 695, 961, 1390, 1922, 2780, 2789, 3844, 4309, 4805, 5578, 8618, 9610, 11156, 13945, 17236, 19220, 21545, 27890, 43090, 55780, 86180, 86459, 133579, 172918, 267158, 345836, 387671, 432295, 534316, 667895, 775342, 864590, 1335790, 1550684, 1729180, 1938355, 2671580, 2680229, 3876710, 5360458, 7753420, 10720916, 12017801, 13401145, 24035602, 26802290, 48071204, 53604580, 60089005, 120178010, 240356020, 372551831, 745103662, 1490207324, 1862759155, 3725518310, 7451036620]

約数ペア:

[(1, 7451036620), (2, 3725518310), (4, 1862759155), (5, 1490207324), (10, 745103662), (20, 372551831), (31, 240356020), (62, 120178010), (124, 60089005), (139, 53604580), (155, 48071204), (278, 26802290), (310, 24035602), (556, 13401145), (620, 12017801), (695, 10720916), (961, 7753420), (1390, 5360458), (1922, 3876710), (2780, 2680229), (2789, 2671580), (3844, 1938355), (4309, 1729180), (4805, 1550684), (5578, 1335790), (8618, 864590), (9610, 775342), (11156, 667895), (13945, 534316), (17236, 432295), (19220, 387671), (21545, 345836), (27890, 267158), (43090, 172918), (55780, 133579), (86180, 86459)]