68925640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1237}}^1$

素因数の和:1454

約数の個数: 64

約数和(自身を含む): 178272000

約数和(自身を除く): 109346360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 796, 995, 1237, 1393, 1592, 1990, 2474, 2786, 3980, 4948, 5572, 6185, 6965, 7960, 8659, 9896, 11144, 12370, 13930, 17318, 24740, 27860, 34636, 43295, 49480, 55720, 69272, 86590, 173180, 246163, 346360, 492326, 984652, 1230815, 1723141, 1969304, 2461630, 3446282, 4923260, 6892564, 8615705, 9846520, 13785128, 17231410, 34462820, 68925640]

約数ペア:

[(1, 68925640), (2, 34462820), (4, 17231410), (5, 13785128), (7, 9846520), (8, 8615705), (10, 6892564), (14, 4923260), (20, 3446282), (28, 2461630), (35, 1969304), (40, 1723141), (56, 1230815), (70, 984652), (140, 492326), (199, 346360), (280, 246163), (398, 173180), (796, 86590), (995, 69272), (1237, 55720), (1393, 49480), (1592, 43295), (1990, 34636), (2474, 27860), (2786, 24740), (3980, 17318), (4948, 13930), (5572, 12370), (6185, 11144), (6965, 9896), (7960, 8659)]