2445490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 4731840

約数和(自身を除く): 2286350

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 211, 305, 422, 610, 1055, 1159, 2110, 2318, 4009, 5795, 8018, 11590, 12871, 20045, 25742, 40090, 64355, 128710, 244549, 489098, 1222745, 2445490]

約数ペア:

[(1, 2445490), (2, 1222745), (5, 489098), (10, 244549), (19, 128710), (38, 64355), (61, 40090), (95, 25742), (122, 20045), (190, 12871), (211, 11590), (305, 8018), (422, 5795), (610, 4009), (1055, 2318), (1159, 2110)]