65305090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 129392640

約数和(自身を除く): 64087550

約数列:

[1, 2, 5, 10, 19, 38, 47, 71, 94, 95, 103, 142, 190, 206, 235, 355, 470, 515, 710, 893, 1030, 1349, 1786, 1957, 2698, 3337, 3914, 4465, 4841, 6674, 6745, 7313, 8930, 9682, 9785, 13490, 14626, 16685, 19570, 24205, 33370, 36565, 48410, 63403, 73130, 91979, 126806, 138947, 183958, 277894, 317015, 343711, 459895, 634030, 687422, 694735, 919790, 1389470, 1718555, 3437110, 6530509, 13061018, 32652545, 65305090]

約数ペア:

[(1, 65305090), (2, 32652545), (5, 13061018), (10, 6530509), (19, 3437110), (38, 1718555), (47, 1389470), (71, 919790), (94, 694735), (95, 687422), (103, 634030), (142, 459895), (190, 343711), (206, 317015), (235, 277894), (355, 183958), (470, 138947), (515, 126806), (710, 91979), (893, 73130), (1030, 63403), (1349, 48410), (1786, 36565), (1957, 33370), (2698, 24205), (3337, 19570), (3914, 16685), (4465, 14626), (4841, 13490), (6674, 9785), (6745, 9682), (7313, 8930)]