31711190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 69603840

約数和(自身を除く): 37892650

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 113, 133, 190, 211, 226, 266, 422, 565, 665, 791, 1055, 1130, 1330, 1477, 1582, 2110, 2147, 2954, 3955, 4009, 4294, 7385, 7910, 8018, 10735, 14770, 15029, 20045, 21470, 23843, 28063, 30058, 40090, 47686, 56126, 75145, 119215, 140315, 150290, 166901, 238430, 280630, 333802, 453017, 834505, 906034, 1669010, 2265085, 3171119, 4530170, 6342238, 15855595, 31711190]

約数ペア:

[(1, 31711190), (2, 15855595), (5, 6342238), (7, 4530170), (10, 3171119), (14, 2265085), (19, 1669010), (35, 906034), (38, 834505), (70, 453017), (95, 333802), (113, 280630), (133, 238430), (190, 166901), (211, 150290), (226, 140315), (266, 119215), (422, 75145), (565, 56126), (665, 47686), (791, 40090), (1055, 30058), (1130, 28063), (1330, 23843), (1477, 21470), (1582, 20045), (2110, 15029), (2147, 14770), (2954, 10735), (3955, 8018), (4009, 7910), (4294, 7385)]