2990219480

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{320839}}^1$

素因数の和:321083

約数の個数: 32

約数和(自身を含む): 6756890400

約数和(自身を除く): 3766670920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2330, 4660, 9320, 320839, 641678, 1283356, 1604195, 2566712, 3208390, 6416780, 12833560, 74755487, 149510974, 299021948, 373777435, 598043896, 747554870, 1495109740, 2990219480]

約数ペア:

[(1, 2990219480), (2, 1495109740), (4, 747554870), (5, 598043896), (8, 373777435), (10, 299021948), (20, 149510974), (40, 74755487), (233, 12833560), (466, 6416780), (932, 3208390), (1165, 2566712), (1864, 1604195), (2330, 1283356), (4660, 641678), (9320, 320839)]