199157840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5009}}^1$

素因数の和:5100

約数の個数: 80

約数和(自身を含む): 536751360

約数和(自身を除く): 337593520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3976, 4970, 5009, 5680, 7952, 9940, 10018, 19880, 20036, 25045, 35063, 39760, 40072, 50090, 70126, 80144, 100180, 140252, 175315, 200360, 280504, 350630, 355639, 400720, 561008, 701260, 711278, 1402520, 1422556, 1778195, 2489473, 2805040, 2845112, 3556390, 4978946, 5690224, 7112780, 9957892, 12447365, 14225560, 19915784, 24894730, 28451120, 39831568, 49789460, 99578920, 199157840]

約数ペア:

[(1, 199157840), (2, 99578920), (4, 49789460), (5, 39831568), (7, 28451120), (8, 24894730), (10, 19915784), (14, 14225560), (16, 12447365), (20, 9957892), (28, 7112780), (35, 5690224), (40, 4978946), (56, 3556390), (70, 2845112), (71, 2805040), (80, 2489473), (112, 1778195), (140, 1422556), (142, 1402520), (280, 711278), (284, 701260), (355, 561008), (497, 400720), (560, 355639), (568, 350630), (710, 280504), (994, 200360), (1136, 175315), (1420, 140252), (1988, 100180), (2485, 80144), (2840, 70126), (3976, 50090), (4970, 40072), (5009, 39760), (5680, 35063), (7952, 25045), (9940, 20036), (10018, 19880)]