1886454220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1993}}^1\times {\mathrm{6761}}^1$

素因数の和:8770

約数の個数: 48

約数和(自身を含む): 4530431808

約数和(自身を除く): 2643977588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1993, 3986, 6761, 7972, 9965, 13522, 13951, 19930, 27044, 27902, 33805, 39860, 47327, 55804, 67610, 69755, 94654, 135220, 139510, 189308, 236635, 279020, 473270, 946540, 13474673, 26949346, 53898692, 67373365, 94322711, 134746730, 188645422, 269493460, 377290844, 471613555, 943227110, 1886454220]

約数ペア:

[(1, 1886454220), (2, 943227110), (4, 471613555), (5, 377290844), (7, 269493460), (10, 188645422), (14, 134746730), (20, 94322711), (28, 67373365), (35, 53898692), (70, 26949346), (140, 13474673), (1993, 946540), (3986, 473270), (6761, 279020), (7972, 236635), (9965, 189308), (13522, 139510), (13951, 135220), (19930, 94654), (27044, 69755), (27902, 67610), (33805, 55804), (39860, 47327)]