99578920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5009}}^1$

素因数の和:5098

約数の個数: 64

約数和(自身を含む): 259718400

約数和(自身を除く): 160139480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 5009, 9940, 10018, 19880, 20036, 25045, 35063, 40072, 50090, 70126, 100180, 140252, 175315, 200360, 280504, 350630, 355639, 701260, 711278, 1402520, 1422556, 1778195, 2489473, 2845112, 3556390, 4978946, 7112780, 9957892, 12447365, 14225560, 19915784, 24894730, 49789460, 99578920]

約数ペア:

[(1, 99578920), (2, 49789460), (4, 24894730), (5, 19915784), (7, 14225560), (8, 12447365), (10, 9957892), (14, 7112780), (20, 4978946), (28, 3556390), (35, 2845112), (40, 2489473), (56, 1778195), (70, 1422556), (71, 1402520), (140, 711278), (142, 701260), (280, 355639), (284, 350630), (355, 280504), (497, 200360), (568, 175315), (710, 140252), (994, 100180), (1420, 70126), (1988, 50090), (2485, 40072), (2840, 35063), (3976, 25045), (4970, 20036), (5009, 19880), (9940, 10018)]