3287380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 7479360

約数和(自身を除く): 4191980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 211, 380, 410, 422, 779, 820, 844, 1055, 1558, 2110, 3116, 3895, 4009, 4220, 7790, 8018, 8651, 15580, 16036, 17302, 20045, 34604, 40090, 43255, 80180, 86510, 164369, 173020, 328738, 657476, 821845, 1643690, 3287380]

約数ペア:

[(1, 3287380), (2, 1643690), (4, 821845), (5, 657476), (10, 328738), (19, 173020), (20, 164369), (38, 86510), (41, 80180), (76, 43255), (82, 40090), (95, 34604), (164, 20045), (190, 17302), (205, 16036), (211, 15580), (380, 8651), (410, 8018), (422, 7790), (779, 4220), (820, 4009), (844, 3895), (1055, 3116), (1558, 2110)]