86768380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{401}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 189100800

約数和(自身を除く): 102332420

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 349, 401, 620, 698, 802, 1396, 1604, 1745, 2005, 3490, 4010, 6980, 8020, 10819, 12431, 21638, 24862, 43276, 49724, 54095, 62155, 108190, 124310, 139949, 216380, 248620, 279898, 559796, 699745, 1399490, 2798980, 4338419, 8676838, 17353676, 21692095, 43384190, 86768380]

約数ペア:

[(1, 86768380), (2, 43384190), (4, 21692095), (5, 17353676), (10, 8676838), (20, 4338419), (31, 2798980), (62, 1399490), (124, 699745), (155, 559796), (310, 279898), (349, 248620), (401, 216380), (620, 139949), (698, 124310), (802, 108190), (1396, 62155), (1604, 54095), (1745, 49724), (2005, 43276), (3490, 24862), (4010, 21638), (6980, 12431), (8020, 10819)]